889903360

素因数分解:

$2^8\times 5^1\times {\mathrm{31}}^1\times {\mathrm{41}}^1\times {\mathrm{547}}^1$

素因数の和:640

約数の個数: 144

約数和(自身を含む): 2258145792

約数和(自身を除く): 1368242432

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 32, 40, 41, 62, 64, 80, 82, 124, 128, 155, 160, 164, 205, 248, 256, 310, 320, 328, 410, 496, 547, 620, 640, 656, 820, 992, 1094, 1240, 1271, 1280, 1312, 1640, 1984, 2188, 2480, 2542, 2624, 2735, 3280, 3968, 4376, 4960, 5084, 5248, 5470, 6355, 6560, 7936, 8752, 9920, 10168, 10496, 10940, 12710, 13120, 16957, 17504, 19840, 20336, 21880, 22427, 25420, 26240, 33914, 35008, 39680, 40672, 43760, 44854, 50840, 52480, 67828, 70016, 81344, 84785, 87520, 89708, 101680, 112135, 135656, 140032, 162688, 169570, 175040, 179416, 203360, 224270, 271312, 325376, 339140, 350080, 358832, 406720, 448540, 542624, 678280, 695237, 700160, 717664, 813440, 897080, 1085248, 1356560, 1390474, 1435328, 1626880, 1794160, 2170496, 2713120, 2780948, 2870656, 3476185, 3588320, 4340992, 5426240, 5561896, 5741312, 6952370, 7176640, 10852480, 11123792, 13904740, 14353280, 21704960, 22247584, 27809480, 28706560, 44495168, 55618960, 88990336, 111237920, 177980672, 222475840, 444951680, 889903360]

約数ペア:

[(1, 889903360), (2, 444951680), (4, 222475840), (5, 177980672), (8, 111237920), (10, 88990336), (16, 55618960), (20, 44495168), (31, 28706560), (32, 27809480), (40, 22247584), (41, 21704960), (62, 14353280), (64, 13904740), (80, 11123792), (82, 10852480), (124, 7176640), (128, 6952370), (155, 5741312), (160, 5561896), (164, 5426240), (205, 4340992), (248, 3588320), (256, 3476185), (310, 2870656), (320, 2780948), (328, 2713120), (410, 2170496), (496, 1794160), (547, 1626880), (620, 1435328), (640, 1390474), (656, 1356560), (820, 1085248), (992, 897080), (1094, 813440), (1240, 717664), (1271, 700160), (1280, 695237), (1312, 678280), (1640, 542624), (1984, 448540), (2188, 406720), (2480, 358832), (2542, 350080), (2624, 339140), (2735, 325376), (3280, 271312), (3968, 224270), (4376, 203360), (4960, 179416), (5084, 175040), (5248, 169570), (5470, 162688), (6355, 140032), (6560, 135656), (7936, 112135), (8752, 101680), (9920, 89708), (10168, 87520), (10496, 84785), (10940, 81344), (12710, 70016), (13120, 67828), (16957, 52480), (17504, 50840), (19840, 44854), (20336, 43760), (21880, 40672), (22427, 39680), (25420, 35008), (26240, 33914)]