639333240

素因数分解:

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

素因数の和:622

約数の個数: 256

約数和(自身を含む): 2384363520

約数和(自身を除く): 1745030280

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 13, 14, 15, 20, 21, 24, 26, 28, 30, 35, 39, 40, 42, 52, 56, 60, 65, 70, 78, 84, 91, 104, 105, 120, 127, 130, 140, 156, 168, 182, 195, 210, 254, 260, 273, 280, 312, 364, 381, 390, 420, 455, 461, 508, 520, 546, 635, 728, 762, 780, 840, 889, 910, 922, 1016, 1092, 1270, 1365, 1383, 1524, 1560, 1651, 1778, 1820, 1844, 1905, 2184, 2305, 2540, 2667, 2730, 2766, 3048, 3227, 3302, 3556, 3640, 3688, 3810, 4445, 4610, 4953, 5080, 5334, 5460, 5532, 5993, 6454, 6604, 6915, 7112, 7620, 8255, 8890, 9220, 9681, 9906, 10668, 10920, 11064, 11557, 11986, 12908, 13208, 13335, 13830, 15240, 16135, 16510, 17780, 17979, 18440, 19362, 19812, 21336, 23114, 23972, 24765, 25816, 26670, 27660, 29965, 32270, 33020, 34671, 35560, 35958, 38724, 39624, 41951, 46228, 47944, 48405, 49530, 53340, 55320, 57785, 58547, 59930, 64540, 66040, 69342, 71916, 77448, 83902, 89895, 92456, 96810, 99060, 106680, 115570, 117094, 119860, 125853, 129080, 138684, 143832, 167804, 173355, 175641, 179790, 193620, 198120, 209755, 231140, 234188, 239720, 251706, 277368, 292735, 335608, 346710, 351282, 359580, 387240, 409829, 419510, 462280, 468376, 503412, 585470, 629265, 693420, 702564, 719160, 761111, 819658, 839020, 878205, 1006824, 1170940, 1229487, 1258530, 1386840, 1405128, 1522222, 1639316, 1678040, 1756410, 2049145, 2283333, 2341880, 2458974, 2517060, 3044444, 3278632, 3512820, 3805555, 4098290, 4566666, 4917948, 5034120, 5327777, 6088888, 6147435, 7025640, 7611110, 8196580, 9133332, 9835896, 10655554, 11416665, 12294870, 15222220, 15983331, 16393160, 18266664, 21311108, 22833330, 24589740, 26638885, 30444440, 31966662, 42622216, 45666660, 49179480, 53277770, 63933324, 79916655, 91333320, 106555540, 127866648, 159833310, 213111080, 319666620, 639333240]

約数ペア:

[(1, 639333240), (2, 319666620), (3, 213111080), (4, 159833310), (5, 127866648), (6, 106555540), (7, 91333320), (8, 79916655), (10, 63933324), (12, 53277770), (13, 49179480), (14, 45666660), (15, 42622216), (20, 31966662), (21, 30444440), (24, 26638885), (26, 24589740), (28, 22833330), (30, 21311108), (35, 18266664), (39, 16393160), (40, 15983331), (42, 15222220), (52, 12294870), (56, 11416665), (60, 10655554), (65, 9835896), (70, 9133332), (78, 8196580), (84, 7611110), (91, 7025640), (104, 6147435), (105, 6088888), (120, 5327777), (127, 5034120), (130, 4917948), (140, 4566666), (156, 4098290), (168, 3805555), (182, 3512820), (195, 3278632), (210, 3044444), (254, 2517060), (260, 2458974), (273, 2341880), (280, 2283333), (312, 2049145), (364, 1756410), (381, 1678040), (390, 1639316), (420, 1522222), (455, 1405128), (461, 1386840), (508, 1258530), (520, 1229487), (546, 1170940), (635, 1006824), (728, 878205), (762, 839020), (780, 819658), (840, 761111), (889, 719160), (910, 702564), (922, 693420), (1016, 629265), (1092, 585470), (1270, 503412), (1365, 468376), (1383, 462280), (1524, 419510), (1560, 409829), (1651, 387240), (1778, 359580), (1820, 351282), (1844, 346710), (1905, 335608), (2184, 292735), (2305, 277368), (2540, 251706), (2667, 239720), (2730, 234188), (2766, 231140), (3048, 209755), (3227, 198120), (3302, 193620), (3556, 179790), (3640, 175641), (3688, 173355), (3810, 167804), (4445, 143832), (4610, 138684), (4953, 129080), (5080, 125853), (5334, 119860), (5460, 117094), (5532, 115570), (5993, 106680), (6454, 99060), (6604, 96810), (6915, 92456), (7112, 89895), (7620, 83902), (8255, 77448), (8890, 71916), (9220, 69342), (9681, 66040), (9906, 64540), (10668, 59930), (10920, 58547), (11064, 57785), (11557, 55320), (11986, 53340), (12908, 49530), (13208, 48405), (13335, 47944), (13830, 46228), (15240, 41951), (16135, 39624), (16510, 38724), (17780, 35958), (17979, 35560), (18440, 34671), (19362, 33020), (19812, 32270), (21336, 29965), (23114, 27660), (23972, 26670), (24765, 25816)]