18750160

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^2\times {\mathrm{13}}^1\times {\mathrm{149}}^1$

素因数の和:197

約数の個数: 120

約数和(自身を含む): 51949800

約数和(自身を除く): 33199640

約数列:

[1, 2, 4, 5, 8, 10, 11, 13, 16, 20, 22, 26, 40, 44, 52, 55, 65, 80, 88, 104, 110, 121, 130, 143, 149, 176, 208, 220, 242, 260, 286, 298, 440, 484, 520, 572, 596, 605, 715, 745, 880, 968, 1040, 1144, 1192, 1210, 1430, 1490, 1573, 1639, 1936, 1937, 2288, 2384, 2420, 2860, 2980, 3146, 3278, 3874, 4840, 5720, 5960, 6292, 6556, 7748, 7865, 8195, 9680, 9685, 11440, 11920, 12584, 13112, 15496, 15730, 16390, 18029, 19370, 21307, 25168, 26224, 30992, 31460, 32780, 36058, 38740, 42614, 62920, 65560, 72116, 77480, 85228, 90145, 106535, 125840, 131120, 144232, 154960, 170456, 180290, 213070, 234377, 288464, 340912, 360580, 426140, 468754, 721160, 852280, 937508, 1171885, 1442320, 1704560, 1875016, 2343770, 3750032, 4687540, 9375080, 18750160]

約数ペア:

[(1, 18750160), (2, 9375080), (4, 4687540), (5, 3750032), (8, 2343770), (10, 1875016), (11, 1704560), (13, 1442320), (16, 1171885), (20, 937508), (22, 852280), (26, 721160), (40, 468754), (44, 426140), (52, 360580), (55, 340912), (65, 288464), (80, 234377), (88, 213070), (104, 180290), (110, 170456), (121, 154960), (130, 144232), (143, 131120), (149, 125840), (176, 106535), (208, 90145), (220, 85228), (242, 77480), (260, 72116), (286, 65560), (298, 62920), (440, 42614), (484, 38740), (520, 36058), (572, 32780), (596, 31460), (605, 30992), (715, 26224), (745, 25168), (880, 21307), (968, 19370), (1040, 18029), (1144, 16390), (1192, 15730), (1210, 15496), (1430, 13112), (1490, 12584), (1573, 11920), (1639, 11440), (1936, 9685), (1937, 9680), (2288, 8195), (2384, 7865), (2420, 7748), (2860, 6556), (2980, 6292), (3146, 5960), (3278, 5720), (3874, 4840)]