90811840

素因数分解:

$2^6\times 5^1\times 7^1\times {\mathrm{71}}^1\times {\mathrm{571}}^1$

素因数の和:666

約数の個数: 112

約数和(自身を含む): 251057664

約数和(自身を除く): 160245824

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 56, 64, 70, 71, 80, 112, 140, 142, 160, 224, 280, 284, 320, 355, 448, 497, 560, 568, 571, 710, 994, 1120, 1136, 1142, 1420, 1988, 2240, 2272, 2284, 2485, 2840, 2855, 3976, 3997, 4544, 4568, 4970, 5680, 5710, 7952, 7994, 9136, 9940, 11360, 11420, 15904, 15988, 18272, 19880, 19985, 22720, 22840, 31808, 31976, 36544, 39760, 39970, 40541, 45680, 63952, 79520, 79940, 81082, 91360, 127904, 159040, 159880, 162164, 182720, 202705, 255808, 283787, 319760, 324328, 405410, 567574, 639520, 648656, 810820, 1135148, 1279040, 1297312, 1418935, 1621640, 2270296, 2594624, 2837870, 3243280, 4540592, 5675740, 6486560, 9081184, 11351480, 12973120, 18162368, 22702960, 45405920, 90811840]

約数ペア:

[(1, 90811840), (2, 45405920), (4, 22702960), (5, 18162368), (7, 12973120), (8, 11351480), (10, 9081184), (14, 6486560), (16, 5675740), (20, 4540592), (28, 3243280), (32, 2837870), (35, 2594624), (40, 2270296), (56, 1621640), (64, 1418935), (70, 1297312), (71, 1279040), (80, 1135148), (112, 810820), (140, 648656), (142, 639520), (160, 567574), (224, 405410), (280, 324328), (284, 319760), (320, 283787), (355, 255808), (448, 202705), (497, 182720), (560, 162164), (568, 159880), (571, 159040), (710, 127904), (994, 91360), (1120, 81082), (1136, 79940), (1142, 79520), (1420, 63952), (1988, 45680), (2240, 40541), (2272, 39970), (2284, 39760), (2485, 36544), (2840, 31976), (2855, 31808), (3976, 22840), (3997, 22720), (4544, 19985), (4568, 19880), (4970, 18272), (5680, 15988), (5710, 15904), (7952, 11420), (7994, 11360), (9136, 9940)]