1630640

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{109}}^1$

素因数の和:150

約数の個数: 80

約数和(自身を含む): 4419360

約数和(自身を除く): 2788720

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 17, 20, 22, 34, 40, 44, 55, 68, 80, 85, 88, 109, 110, 136, 170, 176, 187, 218, 220, 272, 340, 374, 436, 440, 545, 680, 748, 872, 880, 935, 1090, 1199, 1360, 1496, 1744, 1853, 1870, 2180, 2398, 2992, 3706, 3740, 4360, 4796, 5995, 7412, 7480, 8720, 9265, 9592, 11990, 14824, 14960, 18530, 19184, 20383, 23980, 29648, 37060, 40766, 47960, 74120, 81532, 95920, 101915, 148240, 163064, 203830, 326128, 407660, 815320, 1630640]

約数ペア:

[(1, 1630640), (2, 815320), (4, 407660), (5, 326128), (8, 203830), (10, 163064), (11, 148240), (16, 101915), (17, 95920), (20, 81532), (22, 74120), (34, 47960), (40, 40766), (44, 37060), (55, 29648), (68, 23980), (80, 20383), (85, 19184), (88, 18530), (109, 14960), (110, 14824), (136, 11990), (170, 9592), (176, 9265), (187, 8720), (218, 7480), (220, 7412), (272, 5995), (340, 4796), (374, 4360), (436, 3740), (440, 3706), (545, 2992), (680, 2398), (748, 2180), (872, 1870), (880, 1853), (935, 1744), (1090, 1496), (1199, 1360)]