85453720

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{29}}^1\times {\mathrm{37}}^1\times {\mathrm{181}}^1$

素因数の和:269

約数の個数: 128

約数和(自身を含む): 224078400

約数和(自身を除く): 138624680

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 29, 37, 40, 44, 55, 58, 74, 88, 110, 116, 145, 148, 181, 185, 220, 232, 290, 296, 319, 362, 370, 407, 440, 580, 638, 724, 740, 814, 905, 1073, 1160, 1276, 1448, 1480, 1595, 1628, 1810, 1991, 2035, 2146, 2552, 3190, 3256, 3620, 3982, 4070, 4292, 5249, 5365, 6380, 6697, 7240, 7964, 8140, 8584, 9955, 10498, 10730, 11803, 12760, 13394, 15928, 16280, 19910, 20996, 21460, 23606, 26245, 26788, 33485, 39820, 41992, 42920, 47212, 52490, 53576, 57739, 59015, 66970, 73667, 79640, 94424, 104980, 115478, 118030, 133940, 147334, 194213, 209960, 230956, 236060, 267880, 288695, 294668, 368335, 388426, 461912, 472120, 577390, 589336, 736670, 776852, 971065, 1154780, 1473340, 1553704, 1942130, 2136343, 2309560, 2946680, 3884260, 4272686, 7768520, 8545372, 10681715, 17090744, 21363430, 42726860, 85453720]

約数ペア:

[(1, 85453720), (2, 42726860), (4, 21363430), (5, 17090744), (8, 10681715), (10, 8545372), (11, 7768520), (20, 4272686), (22, 3884260), (29, 2946680), (37, 2309560), (40, 2136343), (44, 1942130), (55, 1553704), (58, 1473340), (74, 1154780), (88, 971065), (110, 776852), (116, 736670), (145, 589336), (148, 577390), (181, 472120), (185, 461912), (220, 388426), (232, 368335), (290, 294668), (296, 288695), (319, 267880), (362, 236060), (370, 230956), (407, 209960), (440, 194213), (580, 147334), (638, 133940), (724, 118030), (740, 115478), (814, 104980), (905, 94424), (1073, 79640), (1160, 73667), (1276, 66970), (1448, 59015), (1480, 57739), (1595, 53576), (1628, 52490), (1810, 47212), (1991, 42920), (2035, 41992), (2146, 39820), (2552, 33485), (3190, 26788), (3256, 26245), (3620, 23606), (3982, 21460), (4070, 20996), (4292, 19910), (5249, 16280), (5365, 15928), (6380, 13394), (6697, 12760), (7240, 11803), (7964, 10730), (8140, 10498), (8584, 9955)]