1981696080

素因数分解:

$2^4\times 3^1\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{2927}}^1$

素因数の和:2994

約数の個数: 320

約数和(自身を含む): 7807500288

約数和(自身を除く): 5825804208

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 13, 14, 15, 16, 20, 21, 24, 26, 28, 30, 31, 35, 39, 40, 42, 48, 52, 56, 60, 62, 65, 70, 78, 80, 84, 91, 93, 104, 105, 112, 120, 124, 130, 140, 155, 156, 168, 182, 186, 195, 208, 210, 217, 240, 248, 260, 273, 280, 310, 312, 336, 364, 372, 390, 403, 420, 434, 455, 465, 496, 520, 546, 560, 620, 624, 651, 728, 744, 780, 806, 840, 868, 910, 930, 1040, 1085, 1092, 1209, 1240, 1302, 1365, 1456, 1488, 1560, 1612, 1680, 1736, 1820, 1860, 2015, 2170, 2184, 2418, 2480, 2604, 2730, 2821, 2927, 3120, 3224, 3255, 3472, 3640, 3720, 4030, 4340, 4368, 4836, 5208, 5460, 5642, 5854, 6045, 6448, 6510, 7280, 7440, 8060, 8463, 8680, 8781, 9672, 10416, 10920, 11284, 11708, 12090, 13020, 14105, 14635, 16120, 16926, 17360, 17562, 19344, 20489, 21840, 22568, 23416, 24180, 26040, 28210, 29270, 32240, 33852, 35124, 38051, 40978, 42315, 43905, 45136, 46832, 48360, 52080, 56420, 58540, 61467, 67704, 70248, 76102, 81956, 84630, 87810, 90737, 96720, 102445, 112840, 114153, 117080, 122934, 135408, 140496, 152204, 163912, 169260, 175620, 181474, 190255, 204890, 225680, 228306, 234160, 245868, 266357, 272211, 304408, 307335, 327824, 338520, 351240, 362948, 380510, 409780, 453685, 456612, 491736, 532714, 544422, 570765, 608816, 614670, 635159, 677040, 702480, 725896, 761020, 799071, 819560, 907370, 913224, 983472, 1065428, 1088844, 1141530, 1179581, 1229340, 1270318, 1331785, 1361055, 1451792, 1522040, 1598142, 1639120, 1814740, 1826448, 1905477, 2130856, 2177688, 2283060, 2359162, 2458680, 2540636, 2663570, 2722110, 3044080, 3175795, 3196284, 3538743, 3629480, 3810954, 3995355, 4261712, 4355376, 4566120, 4718324, 4917360, 5081272, 5327140, 5444220, 5897905, 6351590, 6392568, 7077486, 7258960, 7621908, 7990710, 8257067, 9132240, 9436648, 9527385, 10162544, 10654280, 10888440, 11795810, 12703180, 12785136, 14154972, 15243816, 15981420, 16514134, 17693715, 18873296, 19054770, 21308560, 21776880, 23591620, 24771201, 25406360, 28309944, 30487632, 31962840, 33028268, 35387430, 38109540, 41285335, 47183240, 49542402, 50812720, 56619888, 63925680, 66056536, 70774860, 76219080, 82570670, 94366480, 99084804, 123856005, 132113072, 141549720, 152438160, 165141340, 198169608, 247712010, 283099440, 330282680, 396339216, 495424020, 660565360, 990848040, 1981696080]

約数ペア:

[(1, 1981696080), (2, 990848040), (3, 660565360), (4, 495424020), (5, 396339216), (6, 330282680), (7, 283099440), (8, 247712010), (10, 198169608), (12, 165141340), (13, 152438160), (14, 141549720), (15, 132113072), (16, 123856005), (20, 99084804), (21, 94366480), (24, 82570670), (26, 76219080), (28, 70774860), (30, 66056536), (31, 63925680), (35, 56619888), (39, 50812720), (40, 49542402), (42, 47183240), (48, 41285335), (52, 38109540), (56, 35387430), (60, 33028268), (62, 31962840), (65, 30487632), (70, 28309944), (78, 25406360), (80, 24771201), (84, 23591620), (91, 21776880), (93, 21308560), (104, 19054770), (105, 18873296), (112, 17693715), (120, 16514134), (124, 15981420), (130, 15243816), (140, 14154972), (155, 12785136), (156, 12703180), (168, 11795810), (182, 10888440), (186, 10654280), (195, 10162544), (208, 9527385), (210, 9436648), (217, 9132240), (240, 8257067), (248, 7990710), (260, 7621908), (273, 7258960), (280, 7077486), (310, 6392568), (312, 6351590), (336, 5897905), (364, 5444220), (372, 5327140), (390, 5081272), (403, 4917360), (420, 4718324), (434, 4566120), (455, 4355376), (465, 4261712), (496, 3995355), (520, 3810954), (546, 3629480), (560, 3538743), (620, 3196284), (624, 3175795), (651, 3044080), (728, 2722110), (744, 2663570), (780, 2540636), (806, 2458680), (840, 2359162), (868, 2283060), (910, 2177688), (930, 2130856), (1040, 1905477), (1085, 1826448), (1092, 1814740), (1209, 1639120), (1240, 1598142), (1302, 1522040), (1365, 1451792), (1456, 1361055), (1488, 1331785), (1560, 1270318), (1612, 1229340), (1680, 1179581), (1736, 1141530), (1820, 1088844), (1860, 1065428), (2015, 983472), (2170, 913224), (2184, 907370), (2418, 819560), (2480, 799071), (2604, 761020), (2730, 725896), (2821, 702480), (2927, 677040), (3120, 635159), (3224, 614670), (3255, 608816), (3472, 570765), (3640, 544422), (3720, 532714), (4030, 491736), (4340, 456612), (4368, 453685), (4836, 409780), (5208, 380510), (5460, 362948), (5642, 351240), (5854, 338520), (6045, 327824), (6448, 307335), (6510, 304408), (7280, 272211), (7440, 266357), (8060, 245868), (8463, 234160), (8680, 228306), (8781, 225680), (9672, 204890), (10416, 190255), (10920, 181474), (11284, 175620), (11708, 169260), (12090, 163912), (13020, 152204), (14105, 140496), (14635, 135408), (16120, 122934), (16926, 117080), (17360, 114153), (17562, 112840), (19344, 102445), (20489, 96720), (21840, 90737), (22568, 87810), (23416, 84630), (24180, 81956), (26040, 76102), (28210, 70248), (29270, 67704), (32240, 61467), (33852, 58540), (35124, 56420), (38051, 52080), (40978, 48360), (42315, 46832), (43905, 45136)]