251019660

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{53}}^1\times {\mathrm{193}}^1\times {\mathrm{409}}^1$

素因数の和:667

約数の個数: 96

約数和(自身を含む): 721586880

約数和(自身を除く): 470567220

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 53, 60, 106, 159, 193, 212, 265, 318, 386, 409, 530, 579, 636, 772, 795, 818, 965, 1060, 1158, 1227, 1590, 1636, 1930, 2045, 2316, 2454, 2895, 3180, 3860, 4090, 4908, 5790, 6135, 8180, 10229, 11580, 12270, 20458, 21677, 24540, 30687, 40916, 43354, 51145, 61374, 65031, 78937, 86708, 102290, 108385, 122748, 130062, 153435, 157874, 204580, 216770, 236811, 260124, 306870, 315748, 325155, 394685, 433540, 473622, 613740, 650310, 789370, 947244, 1184055, 1300620, 1578740, 2368110, 4183661, 4736220, 8367322, 12550983, 16734644, 20918305, 25101966, 41836610, 50203932, 62754915, 83673220, 125509830, 251019660]

約数ペア:

[(1, 251019660), (2, 125509830), (3, 83673220), (4, 62754915), (5, 50203932), (6, 41836610), (10, 25101966), (12, 20918305), (15, 16734644), (20, 12550983), (30, 8367322), (53, 4736220), (60, 4183661), (106, 2368110), (159, 1578740), (193, 1300620), (212, 1184055), (265, 947244), (318, 789370), (386, 650310), (409, 613740), (530, 473622), (579, 433540), (636, 394685), (772, 325155), (795, 315748), (818, 306870), (965, 260124), (1060, 236811), (1158, 216770), (1227, 204580), (1590, 157874), (1636, 153435), (1930, 130062), (2045, 122748), (2316, 108385), (2454, 102290), (2895, 86708), (3180, 78937), (3860, 65031), (4090, 61374), (4908, 51145), (5790, 43354), (6135, 40916), (8180, 30687), (10229, 24540), (11580, 21677), (12270, 20458)]