281112960

素因数分解:

$2^7\times 3^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{4723}}^1$

素因数の和:4776

約数の個数: 128

約数和(自身を含む): 925148160

約数和(自身を除く): 644035200

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 31, 32, 40, 48, 60, 62, 64, 80, 93, 96, 120, 124, 128, 155, 160, 186, 192, 240, 248, 310, 320, 372, 384, 465, 480, 496, 620, 640, 744, 930, 960, 992, 1240, 1488, 1860, 1920, 1984, 2480, 2976, 3720, 3968, 4723, 4960, 5952, 7440, 9446, 9920, 11904, 14169, 14880, 18892, 19840, 23615, 28338, 29760, 37784, 47230, 56676, 59520, 70845, 75568, 94460, 113352, 141690, 146413, 151136, 188920, 226704, 283380, 292826, 302272, 377840, 439239, 453408, 566760, 585652, 604544, 732065, 755680, 878478, 906816, 1133520, 1171304, 1464130, 1511360, 1756956, 1813632, 2196195, 2267040, 2342608, 2928260, 3022720, 3513912, 4392390, 4534080, 4685216, 5856520, 7027824, 8784780, 9068160, 9370432, 11713040, 14055648, 17569560, 18740864, 23426080, 28111296, 35139120, 46852160, 56222592, 70278240, 93704320, 140556480, 281112960]

約数ペア:

[(1, 281112960), (2, 140556480), (3, 93704320), (4, 70278240), (5, 56222592), (6, 46852160), (8, 35139120), (10, 28111296), (12, 23426080), (15, 18740864), (16, 17569560), (20, 14055648), (24, 11713040), (30, 9370432), (31, 9068160), (32, 8784780), (40, 7027824), (48, 5856520), (60, 4685216), (62, 4534080), (64, 4392390), (80, 3513912), (93, 3022720), (96, 2928260), (120, 2342608), (124, 2267040), (128, 2196195), (155, 1813632), (160, 1756956), (186, 1511360), (192, 1464130), (240, 1171304), (248, 1133520), (310, 906816), (320, 878478), (372, 755680), (384, 732065), (465, 604544), (480, 585652), (496, 566760), (620, 453408), (640, 439239), (744, 377840), (930, 302272), (960, 292826), (992, 283380), (1240, 226704), (1488, 188920), (1860, 151136), (1920, 146413), (1984, 141690), (2480, 113352), (2976, 94460), (3720, 75568), (3968, 70845), (4723, 59520), (4960, 56676), (5952, 47230), (7440, 37784), (9446, 29760), (9920, 28338), (11904, 23615), (14169, 19840), (14880, 18892)]