1281304080

素因数分解:

$2^4\times 3^2\times 5^1\times 7^1\times {\mathrm{37}}^1\times {\mathrm{6871}}^1$

素因数の和:6934

約数の個数: 240

約数和(自身を含む): 5051414784

約数和(自身を除く): 3770110704

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 16, 18, 20, 21, 24, 28, 30, 35, 36, 37, 40, 42, 45, 48, 56, 60, 63, 70, 72, 74, 80, 84, 90, 105, 111, 112, 120, 126, 140, 144, 148, 168, 180, 185, 210, 222, 240, 252, 259, 280, 296, 315, 333, 336, 360, 370, 420, 444, 504, 518, 555, 560, 592, 630, 666, 720, 740, 777, 840, 888, 1008, 1036, 1110, 1260, 1295, 1332, 1480, 1554, 1665, 1680, 1776, 2072, 2220, 2331, 2520, 2590, 2664, 2960, 3108, 3330, 3885, 4144, 4440, 4662, 5040, 5180, 5328, 6216, 6660, 6871, 7770, 8880, 9324, 10360, 11655, 12432, 13320, 13742, 15540, 18648, 20613, 20720, 23310, 26640, 27484, 31080, 34355, 37296, 41226, 46620, 48097, 54968, 61839, 62160, 68710, 82452, 93240, 96194, 103065, 109936, 123678, 137420, 144291, 164904, 186480, 192388, 206130, 240485, 247356, 254227, 274840, 288582, 309195, 329808, 384776, 412260, 432873, 480970, 494712, 508454, 549680, 577164, 618390, 721455, 762681, 769552, 824520, 865746, 961940, 989424, 1016908, 1154328, 1236780, 1271135, 1442910, 1525362, 1649040, 1731492, 1779589, 1923880, 2033816, 2164365, 2288043, 2308656, 2473560, 2542270, 2885820, 3050724, 3462984, 3559178, 3813405, 3847760, 4067632, 4328730, 4576086, 4947120, 5084540, 5338767, 5771640, 6101448, 6925968, 7118356, 7626810, 8657460, 8897945, 9152172, 10169080, 10677534, 11440215, 11543280, 12202896, 14236712, 15253620, 16016301, 17314920, 17795890, 18304344, 20338160, 21355068, 22880430, 26693835, 28473424, 30507240, 32032602, 34629840, 35591780, 36608688, 42710136, 45760860, 53387670, 61014480, 64065204, 71183560, 80081505, 85420272, 91521720, 106775340, 128130408, 142367120, 160163010, 183043440, 213550680, 256260816, 320326020, 427101360, 640652040, 1281304080]

約数ペア:

[(1, 1281304080), (2, 640652040), (3, 427101360), (4, 320326020), (5, 256260816), (6, 213550680), (7, 183043440), (8, 160163010), (9, 142367120), (10, 128130408), (12, 106775340), (14, 91521720), (15, 85420272), (16, 80081505), (18, 71183560), (20, 64065204), (21, 61014480), (24, 53387670), (28, 45760860), (30, 42710136), (35, 36608688), (36, 35591780), (37, 34629840), (40, 32032602), (42, 30507240), (45, 28473424), (48, 26693835), (56, 22880430), (60, 21355068), (63, 20338160), (70, 18304344), (72, 17795890), (74, 17314920), (80, 16016301), (84, 15253620), (90, 14236712), (105, 12202896), (111, 11543280), (112, 11440215), (120, 10677534), (126, 10169080), (140, 9152172), (144, 8897945), (148, 8657460), (168, 7626810), (180, 7118356), (185, 6925968), (210, 6101448), (222, 5771640), (240, 5338767), (252, 5084540), (259, 4947120), (280, 4576086), (296, 4328730), (315, 4067632), (333, 3847760), (336, 3813405), (360, 3559178), (370, 3462984), (420, 3050724), (444, 2885820), (504, 2542270), (518, 2473560), (555, 2308656), (560, 2288043), (592, 2164365), (630, 2033816), (666, 1923880), (720, 1779589), (740, 1731492), (777, 1649040), (840, 1525362), (888, 1442910), (1008, 1271135), (1036, 1236780), (1110, 1154328), (1260, 1016908), (1295, 989424), (1332, 961940), (1480, 865746), (1554, 824520), (1665, 769552), (1680, 762681), (1776, 721455), (2072, 618390), (2220, 577164), (2331, 549680), (2520, 508454), (2590, 494712), (2664, 480970), (2960, 432873), (3108, 412260), (3330, 384776), (3885, 329808), (4144, 309195), (4440, 288582), (4662, 274840), (5040, 254227), (5180, 247356), (5328, 240485), (6216, 206130), (6660, 192388), (6871, 186480), (7770, 164904), (8880, 144291), (9324, 137420), (10360, 123678), (11655, 109936), (12432, 103065), (13320, 96194), (13742, 93240), (15540, 82452), (18648, 68710), (20613, 62160), (20720, 61839), (23310, 54968), (26640, 48097), (27484, 46620), (31080, 41226), (34355, 37296)]