156740980

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^2\times {\mathrm{239}}^1\times {\mathrm{271}}^1$

素因数の和:541

約数の個数: 72

約数和(自身を含む): 364654080

約数和(自身を除く): 207913100

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 121, 220, 239, 242, 271, 478, 484, 542, 605, 956, 1084, 1195, 1210, 1355, 2390, 2420, 2629, 2710, 2981, 4780, 5258, 5420, 5962, 10516, 11924, 13145, 14905, 26290, 28919, 29810, 32791, 52580, 57838, 59620, 64769, 65582, 115676, 129538, 131164, 144595, 163955, 259076, 289190, 323845, 327910, 578380, 647690, 655820, 712459, 1295380, 1424918, 2849836, 3562295, 7124590, 7837049, 14249180, 15674098, 31348196, 39185245, 78370490, 156740980]

約数ペア:

[(1, 156740980), (2, 78370490), (4, 39185245), (5, 31348196), (10, 15674098), (11, 14249180), (20, 7837049), (22, 7124590), (44, 3562295), (55, 2849836), (110, 1424918), (121, 1295380), (220, 712459), (239, 655820), (242, 647690), (271, 578380), (478, 327910), (484, 323845), (542, 289190), (605, 259076), (956, 163955), (1084, 144595), (1195, 131164), (1210, 129538), (1355, 115676), (2390, 65582), (2420, 64769), (2629, 59620), (2710, 57838), (2981, 52580), (4780, 32791), (5258, 29810), (5420, 28919), (5962, 26290), (10516, 14905), (11924, 13145)]