1720432890

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{75557}}^1$

素因数の和:75604

約数の個数: 96

約数和(自身を含む): 5092004736

約数和(自身を除く): 3371571846

約数列:

[1, 2, 3, 5, 6, 9, 10, 11, 15, 18, 22, 23, 30, 33, 45, 46, 55, 66, 69, 90, 99, 110, 115, 138, 165, 198, 207, 230, 253, 330, 345, 414, 495, 506, 690, 759, 990, 1035, 1265, 1518, 2070, 2277, 2530, 3795, 4554, 7590, 11385, 22770, 75557, 151114, 226671, 377785, 453342, 680013, 755570, 831127, 1133355, 1360026, 1662254, 1737811, 2266710, 2493381, 3400065, 3475622, 4155635, 4986762, 5213433, 6800130, 7480143, 8311270, 8689055, 10426866, 12466905, 14960286, 15640299, 17378110, 19115921, 24933810, 26067165, 31280598, 37400715, 38231842, 52134330, 57347763, 74801430, 78201495, 95579605, 114695526, 156402990, 172043289, 191159210, 286738815, 344086578, 573477630, 860216445, 1720432890]

約数ペア:

[(1, 1720432890), (2, 860216445), (3, 573477630), (5, 344086578), (6, 286738815), (9, 191159210), (10, 172043289), (11, 156402990), (15, 114695526), (18, 95579605), (22, 78201495), (23, 74801430), (30, 57347763), (33, 52134330), (45, 38231842), (46, 37400715), (55, 31280598), (66, 26067165), (69, 24933810), (90, 19115921), (99, 17378110), (110, 15640299), (115, 14960286), (138, 12466905), (165, 10426866), (198, 8689055), (207, 8311270), (230, 7480143), (253, 6800130), (330, 5213433), (345, 4986762), (414, 4155635), (495, 3475622), (506, 3400065), (690, 2493381), (759, 2266710), (990, 1737811), (1035, 1662254), (1265, 1360026), (1518, 1133355), (2070, 831127), (2277, 755570), (2530, 680013), (3795, 453342), (4554, 377785), (7590, 226671), (11385, 151114), (22770, 75557)]