71268560

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{109}}^1\times {\mathrm{743}}^1$

素因数の和:876

約数の個数: 80

約数和(自身を含む): 182666880

約数和(自身を除く): 111398320

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 40, 44, 55, 80, 88, 109, 110, 176, 218, 220, 436, 440, 545, 743, 872, 880, 1090, 1199, 1486, 1744, 2180, 2398, 2972, 3715, 4360, 4796, 5944, 5995, 7430, 8173, 8720, 9592, 11888, 11990, 14860, 16346, 19184, 23980, 29720, 32692, 40865, 47960, 59440, 65384, 80987, 81730, 95920, 130768, 161974, 163460, 323948, 326920, 404935, 647896, 653840, 809870, 890857, 1295792, 1619740, 1781714, 3239480, 3563428, 4454285, 6478960, 7126856, 8908570, 14253712, 17817140, 35634280, 71268560]

約数ペア:

[(1, 71268560), (2, 35634280), (4, 17817140), (5, 14253712), (8, 8908570), (10, 7126856), (11, 6478960), (16, 4454285), (20, 3563428), (22, 3239480), (40, 1781714), (44, 1619740), (55, 1295792), (80, 890857), (88, 809870), (109, 653840), (110, 647896), (176, 404935), (218, 326920), (220, 323948), (436, 163460), (440, 161974), (545, 130768), (743, 95920), (872, 81730), (880, 80987), (1090, 65384), (1199, 59440), (1486, 47960), (1744, 40865), (2180, 32692), (2398, 29720), (2972, 23980), (3715, 19184), (4360, 16346), (4796, 14860), (5944, 11990), (5995, 11888), (7430, 9592), (8173, 8720)]