739470080

素因数分解:

$2^8\times 5^1\times {\mathrm{17}}^2\times {\mathrm{1999}}^1$

素因数の和:2054

約数の個数: 108

約数和(自身を含む): 1882524000

約数和(自身を除く): 1143053920

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 32, 34, 40, 64, 68, 80, 85, 128, 136, 160, 170, 256, 272, 289, 320, 340, 544, 578, 640, 680, 1088, 1156, 1280, 1360, 1445, 1999, 2176, 2312, 2720, 2890, 3998, 4352, 4624, 5440, 5780, 7996, 9248, 9995, 10880, 11560, 15992, 18496, 19990, 21760, 23120, 31984, 33983, 36992, 39980, 46240, 63968, 67966, 73984, 79960, 92480, 127936, 135932, 159920, 169915, 184960, 255872, 271864, 319840, 339830, 369920, 511744, 543728, 577711, 639680, 679660, 1087456, 1155422, 1279360, 1359320, 2174912, 2310844, 2558720, 2718640, 2888555, 4349824, 4621688, 5437280, 5777110, 8699648, 9243376, 10874560, 11554220, 18486752, 21749120, 23108440, 36973504, 43498240, 46216880, 73947008, 92433760, 147894016, 184867520, 369735040, 739470080]

約数ペア:

[(1, 739470080), (2, 369735040), (4, 184867520), (5, 147894016), (8, 92433760), (10, 73947008), (16, 46216880), (17, 43498240), (20, 36973504), (32, 23108440), (34, 21749120), (40, 18486752), (64, 11554220), (68, 10874560), (80, 9243376), (85, 8699648), (128, 5777110), (136, 5437280), (160, 4621688), (170, 4349824), (256, 2888555), (272, 2718640), (289, 2558720), (320, 2310844), (340, 2174912), (544, 1359320), (578, 1279360), (640, 1155422), (680, 1087456), (1088, 679660), (1156, 639680), (1280, 577711), (1360, 543728), (1445, 511744), (1999, 369920), (2176, 339830), (2312, 319840), (2720, 271864), (2890, 255872), (3998, 184960), (4352, 169915), (4624, 159920), (5440, 135932), (5780, 127936), (7996, 92480), (9248, 79960), (9995, 73984), (10880, 67966), (11560, 63968), (15992, 46240), (18496, 39980), (19990, 36992), (21760, 33983), (23120, 31984)]