257074320

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{109}}^1\times {\mathrm{317}}^1$

素因数の和:473

約数の個数: 160

約数和(自身を含む): 832803840

約数和(自身を除く): 575729520

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 31, 40, 48, 60, 62, 80, 93, 109, 120, 124, 155, 186, 218, 240, 248, 310, 317, 327, 372, 436, 465, 496, 545, 620, 634, 654, 744, 872, 930, 951, 1090, 1240, 1268, 1308, 1488, 1585, 1635, 1744, 1860, 1902, 2180, 2480, 2536, 2616, 3170, 3270, 3379, 3720, 3804, 4360, 4755, 5072, 5232, 6340, 6540, 6758, 7440, 7608, 8720, 9510, 9827, 10137, 12680, 13080, 13516, 15216, 16895, 19020, 19654, 20274, 25360, 26160, 27032, 29481, 33790, 34553, 38040, 39308, 40548, 49135, 50685, 54064, 58962, 67580, 69106, 76080, 78616, 81096, 98270, 101370, 103659, 117924, 135160, 138212, 147405, 157232, 162192, 172765, 196540, 202740, 207318, 235848, 270320, 276424, 294810, 345530, 393080, 405480, 414636, 471696, 518295, 552848, 589620, 691060, 786160, 810960, 829272, 1036590, 1071143, 1179240, 1382120, 1658544, 2073180, 2142286, 2358480, 2764240, 3213429, 4146360, 4284572, 5355715, 6426858, 8292720, 8569144, 10711430, 12853716, 16067145, 17138288, 21422860, 25707432, 32134290, 42845720, 51414864, 64268580, 85691440, 128537160, 257074320]

約数ペア:

[(1, 257074320), (2, 128537160), (3, 85691440), (4, 64268580), (5, 51414864), (6, 42845720), (8, 32134290), (10, 25707432), (12, 21422860), (15, 17138288), (16, 16067145), (20, 12853716), (24, 10711430), (30, 8569144), (31, 8292720), (40, 6426858), (48, 5355715), (60, 4284572), (62, 4146360), (80, 3213429), (93, 2764240), (109, 2358480), (120, 2142286), (124, 2073180), (155, 1658544), (186, 1382120), (218, 1179240), (240, 1071143), (248, 1036590), (310, 829272), (317, 810960), (327, 786160), (372, 691060), (436, 589620), (465, 552848), (496, 518295), (545, 471696), (620, 414636), (634, 405480), (654, 393080), (744, 345530), (872, 294810), (930, 276424), (951, 270320), (1090, 235848), (1240, 207318), (1268, 202740), (1308, 196540), (1488, 172765), (1585, 162192), (1635, 157232), (1744, 147405), (1860, 138212), (1902, 135160), (2180, 117924), (2480, 103659), (2536, 101370), (2616, 98270), (3170, 81096), (3270, 78616), (3379, 76080), (3720, 69106), (3804, 67580), (4360, 58962), (4755, 54064), (5072, 50685), (5232, 49135), (6340, 40548), (6540, 39308), (6758, 38040), (7440, 34553), (7608, 33790), (8720, 29481), (9510, 27032), (9827, 26160), (10137, 25360), (12680, 20274), (13080, 19654), (13516, 19020), (15216, 16895)]