206515760

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{109}}^1\times {\mathrm{2153}}^1$

素因数の和:2286

約数の個数: 80

約数和(自身を含む): 528850080

約数和(自身を除く): 322334320

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, 872, 880, 1090, 1199, 1744, 2153, 2180, 2398, 4306, 4360, 4796, 5995, 8612, 8720, 9592, 10765, 11990, 17224, 19184, 21530, 23683, 23980, 34448, 43060, 47366, 47960, 86120, 94732, 95920, 118415, 172240, 189464, 234677, 236830, 378928, 469354, 473660, 938708, 947320, 1173385, 1877416, 1894640, 2346770, 2581447, 3754832, 4693540, 5162894, 9387080, 10325788, 12907235, 18774160, 20651576, 25814470, 41303152, 51628940, 103257880, 206515760]

約数ペア:

[(1, 206515760), (2, 103257880), (4, 51628940), (5, 41303152), (8, 25814470), (10, 20651576), (11, 18774160), (16, 12907235), (20, 10325788), (22, 9387080), (40, 5162894), (44, 4693540), (55, 3754832), (80, 2581447), (88, 2346770), (109, 1894640), (110, 1877416), (176, 1173385), (218, 947320), (220, 938708), (436, 473660), (440, 469354), (545, 378928), (872, 236830), (880, 234677), (1090, 189464), (1199, 172240), (1744, 118415), (2153, 95920), (2180, 94732), (2398, 86120), (4306, 47960), (4360, 47366), (4796, 43060), (5995, 34448), (8612, 23980), (8720, 23683), (9592, 21530), (10765, 19184), (11990, 17224)]