27656960

素因数分解:

$2^8\times 5^1\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{41}}^1$

素因数の和:110

約数の個数: 144

約数和(自身を含む): 74172672

約数和(自身を除く): 46515712

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 31, 32, 34, 40, 41, 62, 64, 68, 80, 82, 85, 124, 128, 136, 155, 160, 164, 170, 205, 248, 256, 272, 310, 320, 328, 340, 410, 496, 527, 544, 620, 640, 656, 680, 697, 820, 992, 1054, 1088, 1240, 1271, 1280, 1312, 1360, 1394, 1640, 1984, 2108, 2176, 2480, 2542, 2624, 2635, 2720, 2788, 3280, 3485, 3968, 4216, 4352, 4960, 5084, 5248, 5270, 5440, 5576, 6355, 6560, 6970, 7936, 8432, 9920, 10168, 10496, 10540, 10880, 11152, 12710, 13120, 13940, 16864, 19840, 20336, 21080, 21607, 21760, 22304, 25420, 26240, 27880, 33728, 39680, 40672, 42160, 43214, 44608, 50840, 52480, 55760, 67456, 81344, 84320, 86428, 89216, 101680, 108035, 111520, 134912, 162688, 168640, 172856, 178432, 203360, 216070, 223040, 325376, 337280, 345712, 406720, 432140, 446080, 674560, 691424, 813440, 864280, 892160, 1382848, 1626880, 1728560, 2765696, 3457120, 5531392, 6914240, 13828480, 27656960]

約数ペア:

[(1, 27656960), (2, 13828480), (4, 6914240), (5, 5531392), (8, 3457120), (10, 2765696), (16, 1728560), (17, 1626880), (20, 1382848), (31, 892160), (32, 864280), (34, 813440), (40, 691424), (41, 674560), (62, 446080), (64, 432140), (68, 406720), (80, 345712), (82, 337280), (85, 325376), (124, 223040), (128, 216070), (136, 203360), (155, 178432), (160, 172856), (164, 168640), (170, 162688), (205, 134912), (248, 111520), (256, 108035), (272, 101680), (310, 89216), (320, 86428), (328, 84320), (340, 81344), (410, 67456), (496, 55760), (527, 52480), (544, 50840), (620, 44608), (640, 43214), (656, 42160), (680, 40672), (697, 39680), (820, 33728), (992, 27880), (1054, 26240), (1088, 25420), (1240, 22304), (1271, 21760), (1280, 21607), (1312, 21080), (1360, 20336), (1394, 19840), (1640, 16864), (1984, 13940), (2108, 13120), (2176, 12710), (2480, 11152), (2542, 10880), (2624, 10540), (2635, 10496), (2720, 10168), (2788, 9920), (3280, 8432), (3485, 7936), (3968, 6970), (4216, 6560), (4352, 6355), (4960, 5576), (5084, 5440), (5248, 5270)]