247352720

素因数分解:

$2^4\times 5^1\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{5867}}^1$

素因数の和:5928

約数の個数: 80

約数和(自身を含む): 628674048

約数和(自身を除く): 381321328

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 31, 34, 40, 62, 68, 80, 85, 124, 136, 155, 170, 248, 272, 310, 340, 496, 527, 620, 680, 1054, 1240, 1360, 2108, 2480, 2635, 4216, 5270, 5867, 8432, 10540, 11734, 21080, 23468, 29335, 42160, 46936, 58670, 93872, 99739, 117340, 181877, 199478, 234680, 363754, 398956, 469360, 498695, 727508, 797912, 909385, 997390, 1455016, 1595824, 1818770, 1994780, 2910032, 3091909, 3637540, 3989560, 6183818, 7275080, 7979120, 12367636, 14550160, 15459545, 24735272, 30919090, 49470544, 61838180, 123676360, 247352720]

約数ペア:

[(1, 247352720), (2, 123676360), (4, 61838180), (5, 49470544), (8, 30919090), (10, 24735272), (16, 15459545), (17, 14550160), (20, 12367636), (31, 7979120), (34, 7275080), (40, 6183818), (62, 3989560), (68, 3637540), (80, 3091909), (85, 2910032), (124, 1994780), (136, 1818770), (155, 1595824), (170, 1455016), (248, 997390), (272, 909385), (310, 797912), (340, 727508), (496, 498695), (527, 469360), (620, 398956), (680, 363754), (1054, 234680), (1240, 199478), (1360, 181877), (2108, 117340), (2480, 99739), (2635, 93872), (4216, 58670), (5270, 46936), (5867, 42160), (8432, 29335), (10540, 23468), (11734, 21080)]