245665680

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{71}}^1\times {\mathrm{1109}}^1$

素因数の和:1209

約数の個数: 160

約数和(自身を含む): 832446720

約数和(自身を除く): 586781040

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 13, 15, 16, 20, 24, 26, 30, 39, 40, 48, 52, 60, 65, 71, 78, 80, 104, 120, 130, 142, 156, 195, 208, 213, 240, 260, 284, 312, 355, 390, 426, 520, 568, 624, 710, 780, 852, 923, 1040, 1065, 1109, 1136, 1420, 1560, 1704, 1846, 2130, 2218, 2769, 2840, 3120, 3327, 3408, 3692, 4260, 4436, 4615, 5538, 5545, 5680, 6654, 7384, 8520, 8872, 9230, 11076, 11090, 13308, 13845, 14417, 14768, 16635, 17040, 17744, 18460, 22152, 22180, 26616, 27690, 28834, 33270, 36920, 43251, 44304, 44360, 53232, 55380, 57668, 66540, 72085, 73840, 78739, 86502, 88720, 110760, 115336, 133080, 144170, 157478, 173004, 216255, 221520, 230672, 236217, 266160, 288340, 314956, 346008, 393695, 432510, 472434, 576680, 629912, 692016, 787390, 865020, 944868, 1023607, 1153360, 1181085, 1259824, 1574780, 1730040, 1889736, 2047214, 2362170, 3070821, 3149560, 3460080, 3779472, 4094428, 4724340, 5118035, 6141642, 6299120, 8188856, 9448680, 10236070, 12283284, 15354105, 16377712, 18897360, 20472140, 24566568, 30708210, 40944280, 49133136, 61416420, 81888560, 122832840, 245665680]

約数ペア:

[(1, 245665680), (2, 122832840), (3, 81888560), (4, 61416420), (5, 49133136), (6, 40944280), (8, 30708210), (10, 24566568), (12, 20472140), (13, 18897360), (15, 16377712), (16, 15354105), (20, 12283284), (24, 10236070), (26, 9448680), (30, 8188856), (39, 6299120), (40, 6141642), (48, 5118035), (52, 4724340), (60, 4094428), (65, 3779472), (71, 3460080), (78, 3149560), (80, 3070821), (104, 2362170), (120, 2047214), (130, 1889736), (142, 1730040), (156, 1574780), (195, 1259824), (208, 1181085), (213, 1153360), (240, 1023607), (260, 944868), (284, 865020), (312, 787390), (355, 692016), (390, 629912), (426, 576680), (520, 472434), (568, 432510), (624, 393695), (710, 346008), (780, 314956), (852, 288340), (923, 266160), (1040, 236217), (1065, 230672), (1109, 221520), (1136, 216255), (1420, 173004), (1560, 157478), (1704, 144170), (1846, 133080), (2130, 115336), (2218, 110760), (2769, 88720), (2840, 86502), (3120, 78739), (3327, 73840), (3408, 72085), (3692, 66540), (4260, 57668), (4436, 55380), (4615, 53232), (5538, 44360), (5545, 44304), (5680, 43251), (6654, 36920), (7384, 33270), (8520, 28834), (8872, 27690), (9230, 26616), (11076, 22180), (11090, 22152), (13308, 18460), (13845, 17744), (14417, 17040), (14768, 16635)]