155499520

素因数分解:

$2^{10}\times 5^1\times {\mathrm{11}}^2\times {\mathrm{251}}^1$

素因数の和:298

約数の個数: 132

約数和(自身を含む): 411643512

約数和(自身を除く): 256143992

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 32, 40, 44, 55, 64, 80, 88, 110, 121, 128, 160, 176, 220, 242, 251, 256, 320, 352, 440, 484, 502, 512, 605, 640, 704, 880, 968, 1004, 1024, 1210, 1255, 1280, 1408, 1760, 1936, 2008, 2420, 2510, 2560, 2761, 2816, 3520, 3872, 4016, 4840, 5020, 5120, 5522, 5632, 7040, 7744, 8032, 9680, 10040, 11044, 11264, 13805, 14080, 15488, 16064, 19360, 20080, 22088, 27610, 28160, 30371, 30976, 32128, 38720, 40160, 44176, 55220, 56320, 60742, 61952, 64256, 77440, 80320, 88352, 110440, 121484, 123904, 128512, 151855, 154880, 160640, 176704, 220880, 242968, 257024, 303710, 309760, 321280, 353408, 441760, 485936, 607420, 619520, 642560, 706816, 883520, 971872, 1214840, 1285120, 1413632, 1767040, 1943744, 2429680, 2827264, 3534080, 3887488, 4859360, 7068160, 7774976, 9718720, 14136320, 15549952, 19437440, 31099904, 38874880, 77749760, 155499520]

約数ペア:

[(1, 155499520), (2, 77749760), (4, 38874880), (5, 31099904), (8, 19437440), (10, 15549952), (11, 14136320), (16, 9718720), (20, 7774976), (22, 7068160), (32, 4859360), (40, 3887488), (44, 3534080), (55, 2827264), (64, 2429680), (80, 1943744), (88, 1767040), (110, 1413632), (121, 1285120), (128, 1214840), (160, 971872), (176, 883520), (220, 706816), (242, 642560), (251, 619520), (256, 607420), (320, 485936), (352, 441760), (440, 353408), (484, 321280), (502, 309760), (512, 303710), (605, 257024), (640, 242968), (704, 220880), (880, 176704), (968, 160640), (1004, 154880), (1024, 151855), (1210, 128512), (1255, 123904), (1280, 121484), (1408, 110440), (1760, 88352), (1936, 80320), (2008, 77440), (2420, 64256), (2510, 61952), (2560, 60742), (2761, 56320), (2816, 55220), (3520, 44176), (3872, 40160), (4016, 38720), (4840, 32128), (5020, 30976), (5120, 30371), (5522, 28160), (5632, 27610), (7040, 22088), (7744, 20080), (8032, 19360), (9680, 16064), (10040, 15488), (11044, 14080), (11264, 13805)]