491878980

素因数分解:

$2^2\times 3^4\times 5^1\times {\mathrm{211}}^1\times {\mathrm{1439}}^1$

素因数の和:1671

約数の個数: 120

約数和(自身を含む): 1551432960

約数和(自身を除く): 1059553980

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 27, 30, 36, 45, 54, 60, 81, 90, 108, 135, 162, 180, 211, 270, 324, 405, 422, 540, 633, 810, 844, 1055, 1266, 1439, 1620, 1899, 2110, 2532, 2878, 3165, 3798, 4220, 4317, 5697, 5756, 6330, 7195, 7596, 8634, 9495, 11394, 12660, 12951, 14390, 17091, 17268, 18990, 21585, 22788, 25902, 28485, 28780, 34182, 37980, 38853, 43170, 51804, 56970, 64755, 68364, 77706, 85455, 86340, 113940, 116559, 129510, 155412, 170910, 194265, 233118, 259020, 303629, 341820, 388530, 466236, 582795, 607258, 777060, 910887, 1165590, 1214516, 1518145, 1821774, 2331180, 2732661, 3036290, 3643548, 4554435, 5465322, 6072580, 8197983, 9108870, 10930644, 13663305, 16395966, 18217740, 24593949, 27326610, 32791932, 40989915, 49187898, 54653220, 81979830, 98375796, 122969745, 163959660, 245939490, 491878980]

約数ペア:

[(1, 491878980), (2, 245939490), (3, 163959660), (4, 122969745), (5, 98375796), (6, 81979830), (9, 54653220), (10, 49187898), (12, 40989915), (15, 32791932), (18, 27326610), (20, 24593949), (27, 18217740), (30, 16395966), (36, 13663305), (45, 10930644), (54, 9108870), (60, 8197983), (81, 6072580), (90, 5465322), (108, 4554435), (135, 3643548), (162, 3036290), (180, 2732661), (211, 2331180), (270, 1821774), (324, 1518145), (405, 1214516), (422, 1165590), (540, 910887), (633, 777060), (810, 607258), (844, 582795), (1055, 466236), (1266, 388530), (1439, 341820), (1620, 303629), (1899, 259020), (2110, 233118), (2532, 194265), (2878, 170910), (3165, 155412), (3798, 129510), (4220, 116559), (4317, 113940), (5697, 86340), (5756, 85455), (6330, 77706), (7195, 68364), (7596, 64755), (8634, 56970), (9495, 51804), (11394, 43170), (12660, 38853), (12951, 37980), (14390, 34182), (17091, 28780), (17268, 28485), (18990, 25902), (21585, 22788)]