157072120

素因数分解:

$2^3\times 5^1\times {\mathrm{29}}^1\times {\mathrm{43}}^1\times {\mathrm{47}}^1\times {\mathrm{67}}^1$

素因数の和:197

約数の個数: 128

約数和(自身を含む): 387763200

約数和(自身を除く): 230691080

約数列:

[1, 2, 4, 5, 8, 10, 20, 29, 40, 43, 47, 58, 67, 86, 94, 116, 134, 145, 172, 188, 215, 232, 235, 268, 290, 335, 344, 376, 430, 470, 536, 580, 670, 860, 940, 1160, 1247, 1340, 1363, 1720, 1880, 1943, 2021, 2494, 2680, 2726, 2881, 3149, 3886, 4042, 4988, 5452, 5762, 6235, 6298, 6815, 7772, 8084, 9715, 9976, 10105, 10904, 11524, 12470, 12596, 13630, 14405, 15544, 15745, 16168, 19430, 20210, 23048, 24940, 25192, 27260, 28810, 31490, 38860, 40420, 49880, 54520, 57620, 58609, 62980, 77720, 80840, 83549, 91321, 115240, 117218, 125960, 135407, 167098, 182642, 234436, 270814, 293045, 334196, 365284, 417745, 456605, 468872, 541628, 586090, 668392, 677035, 730568, 835490, 913210, 1083256, 1172180, 1354070, 1670980, 1826420, 2344360, 2708140, 3341960, 3652840, 3926803, 5416280, 7853606, 15707212, 19634015, 31414424, 39268030, 78536060, 157072120]

約数ペア:

[(1, 157072120), (2, 78536060), (4, 39268030), (5, 31414424), (8, 19634015), (10, 15707212), (20, 7853606), (29, 5416280), (40, 3926803), (43, 3652840), (47, 3341960), (58, 2708140), (67, 2344360), (86, 1826420), (94, 1670980), (116, 1354070), (134, 1172180), (145, 1083256), (172, 913210), (188, 835490), (215, 730568), (232, 677035), (235, 668392), (268, 586090), (290, 541628), (335, 468872), (344, 456605), (376, 417745), (430, 365284), (470, 334196), (536, 293045), (580, 270814), (670, 234436), (860, 182642), (940, 167098), (1160, 135407), (1247, 125960), (1340, 117218), (1363, 115240), (1720, 91321), (1880, 83549), (1943, 80840), (2021, 77720), (2494, 62980), (2680, 58609), (2726, 57620), (2881, 54520), (3149, 49880), (3886, 40420), (4042, 38860), (4988, 31490), (5452, 28810), (5762, 27260), (6235, 25192), (6298, 24940), (6815, 23048), (7772, 20210), (8084, 19430), (9715, 16168), (9976, 15745), (10105, 15544), (10904, 14405), (11524, 13630), (12470, 12596)]