147232640

素因数分解:

$2^7\times 5^1\times {\mathrm{31}}^1\times {\mathrm{41}}^1\times {\mathrm{181}}^1$

素因数の和:272

約数の個数: 128

約数和(自身を含む): 374250240

約数和(自身を除く): 227017600

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 32, 40, 41, 62, 64, 80, 82, 124, 128, 155, 160, 164, 181, 205, 248, 310, 320, 328, 362, 410, 496, 620, 640, 656, 724, 820, 905, 992, 1240, 1271, 1312, 1448, 1640, 1810, 1984, 2480, 2542, 2624, 2896, 3280, 3620, 3968, 4960, 5084, 5248, 5611, 5792, 6355, 6560, 7240, 7421, 9920, 10168, 11222, 11584, 12710, 13120, 14480, 14842, 19840, 20336, 22444, 23168, 25420, 26240, 28055, 28960, 29684, 37105, 40672, 44888, 50840, 56110, 57920, 59368, 74210, 81344, 89776, 101680, 112220, 115840, 118736, 148420, 162688, 179552, 203360, 224440, 230051, 237472, 296840, 359104, 406720, 448880, 460102, 474944, 593680, 718208, 813440, 897760, 920204, 949888, 1150255, 1187360, 1795520, 1840408, 2300510, 2374720, 3591040, 3680816, 4601020, 4749440, 7361632, 9202040, 14723264, 18404080, 29446528, 36808160, 73616320, 147232640]

約数ペア:

[(1, 147232640), (2, 73616320), (4, 36808160), (5, 29446528), (8, 18404080), (10, 14723264), (16, 9202040), (20, 7361632), (31, 4749440), (32, 4601020), (40, 3680816), (41, 3591040), (62, 2374720), (64, 2300510), (80, 1840408), (82, 1795520), (124, 1187360), (128, 1150255), (155, 949888), (160, 920204), (164, 897760), (181, 813440), (205, 718208), (248, 593680), (310, 474944), (320, 460102), (328, 448880), (362, 406720), (410, 359104), (496, 296840), (620, 237472), (640, 230051), (656, 224440), (724, 203360), (820, 179552), (905, 162688), (992, 148420), (1240, 118736), (1271, 115840), (1312, 112220), (1448, 101680), (1640, 89776), (1810, 81344), (1984, 74210), (2480, 59368), (2542, 57920), (2624, 56110), (2896, 50840), (3280, 44888), (3620, 40672), (3968, 37105), (4960, 29684), (5084, 28960), (5248, 28055), (5611, 26240), (5792, 25420), (6355, 23168), (6560, 22444), (7240, 20336), (7421, 19840), (9920, 14842), (10168, 14480), (11222, 13120), (11584, 12710)]