1917999720

素因数分解:

$2^3\times 3^2\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{127}}^1\times {\mathrm{461}}^1$

素因数の和:625

約数の個数: 384

約数和(自身を含む): 7749181440

約数和(自身を除く): 5831181720

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 13, 14, 15, 18, 20, 21, 24, 26, 28, 30, 35, 36, 39, 40, 42, 45, 52, 56, 60, 63, 65, 70, 72, 78, 84, 90, 91, 104, 105, 117, 120, 126, 127, 130, 140, 156, 168, 180, 182, 195, 210, 234, 252, 254, 260, 273, 280, 312, 315, 360, 364, 381, 390, 420, 455, 461, 468, 504, 508, 520, 546, 585, 630, 635, 728, 762, 780, 819, 840, 889, 910, 922, 936, 1016, 1092, 1143, 1170, 1260, 1270, 1365, 1383, 1524, 1560, 1638, 1651, 1778, 1820, 1844, 1905, 2184, 2286, 2305, 2340, 2520, 2540, 2667, 2730, 2766, 3048, 3227, 3276, 3302, 3556, 3640, 3688, 3810, 4095, 4149, 4445, 4572, 4610, 4680, 4953, 5080, 5334, 5460, 5532, 5715, 5993, 6454, 6552, 6604, 6915, 7112, 7620, 8001, 8190, 8255, 8298, 8890, 9144, 9220, 9681, 9906, 10668, 10920, 11064, 11430, 11557, 11986, 12908, 13208, 13335, 13830, 14859, 15240, 16002, 16135, 16380, 16510, 16596, 17780, 17979, 18440, 19362, 19812, 20745, 21336, 22860, 23114, 23972, 24765, 25816, 26670, 27660, 29043, 29718, 29965, 32004, 32270, 32760, 33020, 33192, 34671, 35560, 35958, 38724, 39624, 40005, 41490, 41951, 45720, 46228, 47944, 48405, 49530, 53340, 53937, 55320, 57785, 58086, 58547, 59436, 59930, 64008, 64540, 66040, 69342, 71916, 74295, 77448, 80010, 82980, 83902, 89895, 92456, 96810, 99060, 104013, 106680, 107874, 115570, 116172, 117094, 118872, 119860, 125853, 129080, 138684, 143832, 145215, 148590, 160020, 165960, 167804, 173355, 175641, 179790, 193620, 198120, 208026, 209755, 215748, 231140, 232344, 234188, 239720, 251706, 269685, 277368, 290430, 292735, 297180, 320040, 335608, 346710, 351282, 359580, 377559, 387240, 409829, 416052, 419510, 431496, 462280, 468376, 503412, 520065, 526923, 539370, 580860, 585470, 594360, 629265, 693420, 702564, 719160, 755118, 761111, 819658, 832104, 839020, 878205, 1006824, 1040130, 1053846, 1078740, 1161720, 1170940, 1229487, 1258530, 1386840, 1405128, 1510236, 1522222, 1639316, 1678040, 1756410, 1887795, 2049145, 2080260, 2107692, 2157480, 2283333, 2341880, 2458974, 2517060, 2634615, 3020472, 3044444, 3278632, 3512820, 3688461, 3775590, 3805555, 4098290, 4160520, 4215384, 4566666, 4917948, 5034120, 5269230, 5327777, 6088888, 6147435, 6849999, 7025640, 7376922, 7551180, 7611110, 8196580, 9133332, 9835896, 10538460, 10655554, 11416665, 12294870, 13699998, 14753844, 15102360, 15222220, 15983331, 16393160, 18266664, 18442305, 21076920, 21311108, 22833330, 24589740, 26638885, 27399996, 29507688, 30444440, 31966662, 34249995, 36884610, 42622216, 45666660, 47949993, 49179480, 53277770, 54799992, 63933324, 68499990, 73769220, 79916655, 91333320, 95899986, 106555540, 127866648, 136999980, 147538440, 159833310, 191799972, 213111080, 239749965, 273999960, 319666620, 383599944, 479499930, 639333240, 958999860, 1917999720]

約数ペア:

[(1, 1917999720), (2, 958999860), (3, 639333240), (4, 479499930), (5, 383599944), (6, 319666620), (7, 273999960), (8, 239749965), (9, 213111080), (10, 191799972), (12, 159833310), (13, 147538440), (14, 136999980), (15, 127866648), (18, 106555540), (20, 95899986), (21, 91333320), (24, 79916655), (26, 73769220), (28, 68499990), (30, 63933324), (35, 54799992), (36, 53277770), (39, 49179480), (40, 47949993), (42, 45666660), (45, 42622216), (52, 36884610), (56, 34249995), (60, 31966662), (63, 30444440), (65, 29507688), (70, 27399996), (72, 26638885), (78, 24589740), (84, 22833330), (90, 21311108), (91, 21076920), (104, 18442305), (105, 18266664), (117, 16393160), (120, 15983331), (126, 15222220), (127, 15102360), (130, 14753844), (140, 13699998), (156, 12294870), (168, 11416665), (180, 10655554), (182, 10538460), (195, 9835896), (210, 9133332), (234, 8196580), (252, 7611110), (254, 7551180), (260, 7376922), (273, 7025640), (280, 6849999), (312, 6147435), (315, 6088888), (360, 5327777), (364, 5269230), (381, 5034120), (390, 4917948), (420, 4566666), (455, 4215384), (461, 4160520), (468, 4098290), (504, 3805555), (508, 3775590), (520, 3688461), (546, 3512820), (585, 3278632), (630, 3044444), (635, 3020472), (728, 2634615), (762, 2517060), (780, 2458974), (819, 2341880), (840, 2283333), (889, 2157480), (910, 2107692), (922, 2080260), (936, 2049145), (1016, 1887795), (1092, 1756410), (1143, 1678040), (1170, 1639316), (1260, 1522222), (1270, 1510236), (1365, 1405128), (1383, 1386840), (1524, 1258530), (1560, 1229487), (1638, 1170940), (1651, 1161720), (1778, 1078740), (1820, 1053846), (1844, 1040130), (1905, 1006824), (2184, 878205), (2286, 839020), (2305, 832104), (2340, 819658), (2520, 761111), (2540, 755118), (2667, 719160), (2730, 702564), (2766, 693420), (3048, 629265), (3227, 594360), (3276, 585470), (3302, 580860), (3556, 539370), (3640, 526923), (3688, 520065), (3810, 503412), (4095, 468376), (4149, 462280), (4445, 431496), (4572, 419510), (4610, 416052), (4680, 409829), (4953, 387240), (5080, 377559), (5334, 359580), (5460, 351282), (5532, 346710), (5715, 335608), (5993, 320040), (6454, 297180), (6552, 292735), (6604, 290430), (6915, 277368), (7112, 269685), (7620, 251706), (8001, 239720), (8190, 234188), (8255, 232344), (8298, 231140), (8890, 215748), (9144, 209755), (9220, 208026), (9681, 198120), (9906, 193620), (10668, 179790), (10920, 175641), (11064, 173355), (11430, 167804), (11557, 165960), (11986, 160020), (12908, 148590), (13208, 145215), (13335, 143832), (13830, 138684), (14859, 129080), (15240, 125853), (16002, 119860), (16135, 118872), (16380, 117094), (16510, 116172), (16596, 115570), (17780, 107874), (17979, 106680), (18440, 104013), (19362, 99060), (19812, 96810), (20745, 92456), (21336, 89895), (22860, 83902), (23114, 82980), (23972, 80010), (24765, 77448), (25816, 74295), (26670, 71916), (27660, 69342), (29043, 66040), (29718, 64540), (29965, 64008), (32004, 59930), (32270, 59436), (32760, 58547), (33020, 58086), (33192, 57785), (34671, 55320), (35560, 53937), (35958, 53340), (38724, 49530), (39624, 48405), (40005, 47944), (41490, 46228), (41951, 45720)]