905676160

素因数分解:

$2^7\times 5^1\times {\mathrm{31}}^1\times {\mathrm{191}}^1\times {\mathrm{239}}^1$

素因数の和:480

約数の個数: 128

約数和(自身を含む): 2256076800

約数和(自身を除く): 1350400640

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 32, 40, 62, 64, 80, 124, 128, 155, 160, 191, 239, 248, 310, 320, 382, 478, 496, 620, 640, 764, 955, 956, 992, 1195, 1240, 1528, 1910, 1912, 1984, 2390, 2480, 3056, 3820, 3824, 3968, 4780, 4960, 5921, 6112, 7409, 7640, 7648, 9560, 9920, 11842, 12224, 14818, 15280, 15296, 19120, 19840, 23684, 24448, 29605, 29636, 30560, 30592, 37045, 38240, 45649, 47368, 59210, 59272, 61120, 74090, 76480, 91298, 94736, 118420, 118544, 122240, 148180, 152960, 182596, 189472, 228245, 236840, 237088, 296360, 365192, 378944, 456490, 473680, 474176, 592720, 730384, 757888, 912980, 947360, 948352, 1185440, 1415119, 1460768, 1825960, 1894720, 2370880, 2830238, 2921536, 3651920, 3789440, 4741760, 5660476, 5843072, 7075595, 7303840, 11320952, 14151190, 14607680, 22641904, 28302380, 29215360, 45283808, 56604760, 90567616, 113209520, 181135232, 226419040, 452838080, 905676160]

約数ペア:

[(1, 905676160), (2, 452838080), (4, 226419040), (5, 181135232), (8, 113209520), (10, 90567616), (16, 56604760), (20, 45283808), (31, 29215360), (32, 28302380), (40, 22641904), (62, 14607680), (64, 14151190), (80, 11320952), (124, 7303840), (128, 7075595), (155, 5843072), (160, 5660476), (191, 4741760), (239, 3789440), (248, 3651920), (310, 2921536), (320, 2830238), (382, 2370880), (478, 1894720), (496, 1825960), (620, 1460768), (640, 1415119), (764, 1185440), (955, 948352), (956, 947360), (992, 912980), (1195, 757888), (1240, 730384), (1528, 592720), (1910, 474176), (1912, 473680), (1984, 456490), (2390, 378944), (2480, 365192), (3056, 296360), (3820, 237088), (3824, 236840), (3968, 228245), (4780, 189472), (4960, 182596), (5921, 152960), (6112, 148180), (7409, 122240), (7640, 118544), (7648, 118420), (9560, 94736), (9920, 91298), (11842, 76480), (12224, 74090), (14818, 61120), (15280, 59272), (15296, 59210), (19120, 47368), (19840, 45649), (23684, 38240), (24448, 37045), (29605, 30592), (29636, 30560)]