91261520

素因数分解:

$2^4\times 5^1\times 7^2\times {\mathrm{31}}^1\times {\mathrm{751}}^1$

素因数の和:809

約数の個数: 120

約数和(自身を含む): 255126528

約数和(自身を除く): 163865008

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 31, 35, 40, 49, 56, 62, 70, 80, 98, 112, 124, 140, 155, 196, 217, 245, 248, 280, 310, 392, 434, 490, 496, 560, 620, 751, 784, 868, 980, 1085, 1240, 1502, 1519, 1736, 1960, 2170, 2480, 3004, 3038, 3472, 3755, 3920, 4340, 5257, 6008, 6076, 7510, 7595, 8680, 10514, 12016, 12152, 15020, 15190, 17360, 21028, 23281, 24304, 26285, 30040, 30380, 36799, 42056, 46562, 52570, 60080, 60760, 73598, 84112, 93124, 105140, 116405, 121520, 147196, 162967, 183995, 186248, 210280, 232810, 294392, 325934, 367990, 372496, 420560, 465620, 588784, 651868, 735980, 814835, 931240, 1140769, 1303736, 1471960, 1629670, 1862480, 2281538, 2607472, 2943920, 3259340, 4563076, 5703845, 6518680, 9126152, 11407690, 13037360, 18252304, 22815380, 45630760, 91261520]

約数ペア:

[(1, 91261520), (2, 45630760), (4, 22815380), (5, 18252304), (7, 13037360), (8, 11407690), (10, 9126152), (14, 6518680), (16, 5703845), (20, 4563076), (28, 3259340), (31, 2943920), (35, 2607472), (40, 2281538), (49, 1862480), (56, 1629670), (62, 1471960), (70, 1303736), (80, 1140769), (98, 931240), (112, 814835), (124, 735980), (140, 651868), (155, 588784), (196, 465620), (217, 420560), (245, 372496), (248, 367990), (280, 325934), (310, 294392), (392, 232810), (434, 210280), (490, 186248), (496, 183995), (560, 162967), (620, 147196), (751, 121520), (784, 116405), (868, 105140), (980, 93124), (1085, 84112), (1240, 73598), (1502, 60760), (1519, 60080), (1736, 52570), (1960, 46562), (2170, 42056), (2480, 36799), (3004, 30380), (3038, 30040), (3472, 26285), (3755, 24304), (3920, 23281), (4340, 21028), (5257, 17360), (6008, 15190), (6076, 15020), (7510, 12152), (7595, 12016), (8680, 10514)]