256302552

素因数分解:

$2^3\times 3^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{37}}^1\times {\mathrm{1381}}^1$

素因数の和:1457

約数の個数: 128

約数和(自身を含む): 756230400

約数和(自身を除く): 499927848

約数列:

[1, 2, 3, 4, 6, 8, 11, 12, 19, 22, 24, 33, 37, 38, 44, 57, 66, 74, 76, 88, 111, 114, 132, 148, 152, 209, 222, 228, 264, 296, 407, 418, 444, 456, 627, 703, 814, 836, 888, 1221, 1254, 1381, 1406, 1628, 1672, 2109, 2442, 2508, 2762, 2812, 3256, 4143, 4218, 4884, 5016, 5524, 5624, 7733, 8286, 8436, 9768, 11048, 15191, 15466, 16572, 16872, 23199, 26239, 30382, 30932, 33144, 45573, 46398, 51097, 52478, 60764, 61864, 78717, 91146, 92796, 102194, 104956, 121528, 153291, 157434, 182292, 185592, 204388, 209912, 288629, 306582, 314868, 364584, 408776, 562067, 577258, 613164, 629736, 865887, 970843, 1124134, 1154516, 1226328, 1686201, 1731774, 1941686, 2248268, 2309032, 2912529, 3372402, 3463548, 3883372, 4496536, 5825058, 6744804, 6927096, 7766744, 10679273, 11650116, 13489608, 21358546, 23300232, 32037819, 42717092, 64075638, 85434184, 128151276, 256302552]

約数ペア:

[(1, 256302552), (2, 128151276), (3, 85434184), (4, 64075638), (6, 42717092), (8, 32037819), (11, 23300232), (12, 21358546), (19, 13489608), (22, 11650116), (24, 10679273), (33, 7766744), (37, 6927096), (38, 6744804), (44, 5825058), (57, 4496536), (66, 3883372), (74, 3463548), (76, 3372402), (88, 2912529), (111, 2309032), (114, 2248268), (132, 1941686), (148, 1731774), (152, 1686201), (209, 1226328), (222, 1154516), (228, 1124134), (264, 970843), (296, 865887), (407, 629736), (418, 613164), (444, 577258), (456, 562067), (627, 408776), (703, 364584), (814, 314868), (836, 306582), (888, 288629), (1221, 209912), (1254, 204388), (1381, 185592), (1406, 182292), (1628, 157434), (1672, 153291), (2109, 121528), (2442, 104956), (2508, 102194), (2762, 92796), (2812, 91146), (3256, 78717), (4143, 61864), (4218, 60764), (4884, 52478), (5016, 51097), (5524, 46398), (5624, 45573), (7733, 33144), (8286, 30932), (8436, 30382), (9768, 26239), (11048, 23199), (15191, 16872), (15466, 16572)]