139832320

素因数分解:

$2^{10}\times 5^1\times {\mathrm{31}}^1\times {\mathrm{881}}^1$

素因数の和:937

約数の個数: 88

約数和(自身を含む): 346647168

約数和(自身を除く): 206814848

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 32, 40, 62, 64, 80, 124, 128, 155, 160, 248, 256, 310, 320, 496, 512, 620, 640, 881, 992, 1024, 1240, 1280, 1762, 1984, 2480, 2560, 3524, 3968, 4405, 4960, 5120, 7048, 7936, 8810, 9920, 14096, 15872, 17620, 19840, 27311, 28192, 31744, 35240, 39680, 54622, 56384, 70480, 79360, 109244, 112768, 136555, 140960, 158720, 218488, 225536, 273110, 281920, 436976, 451072, 546220, 563840, 873952, 902144, 1092440, 1127680, 1747904, 2184880, 2255360, 3495808, 4369760, 4510720, 6991616, 8739520, 13983232, 17479040, 27966464, 34958080, 69916160, 139832320]

約数ペア:

[(1, 139832320), (2, 69916160), (4, 34958080), (5, 27966464), (8, 17479040), (10, 13983232), (16, 8739520), (20, 6991616), (31, 4510720), (32, 4369760), (40, 3495808), (62, 2255360), (64, 2184880), (80, 1747904), (124, 1127680), (128, 1092440), (155, 902144), (160, 873952), (248, 563840), (256, 546220), (310, 451072), (320, 436976), (496, 281920), (512, 273110), (620, 225536), (640, 218488), (881, 158720), (992, 140960), (1024, 136555), (1240, 112768), (1280, 109244), (1762, 79360), (1984, 70480), (2480, 56384), (2560, 54622), (3524, 39680), (3968, 35240), (4405, 31744), (4960, 28192), (5120, 27311), (7048, 19840), (7936, 17620), (8810, 15872), (9920, 14096)]