1298557620

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{911}}^1\times {\mathrm{7919}}^1$

素因数の和:8845

約数の個数: 72

約数和(自身を含む): 3943779840

約数和(自身を除く): 2645222220

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 911, 1822, 2733, 3644, 4555, 5466, 7919, 8199, 9110, 10932, 13665, 15838, 16398, 18220, 23757, 27330, 31676, 32796, 39595, 40995, 47514, 54660, 71271, 79190, 81990, 95028, 118785, 142542, 158380, 163980, 237570, 285084, 356355, 475140, 712710, 1425420, 7214209, 14428418, 21642627, 28856836, 36071045, 43285254, 64927881, 72142090, 86570508, 108213135, 129855762, 144284180, 216426270, 259711524, 324639405, 432852540, 649278810, 1298557620]

約数ペア:

[(1, 1298557620), (2, 649278810), (3, 432852540), (4, 324639405), (5, 259711524), (6, 216426270), (9, 144284180), (10, 129855762), (12, 108213135), (15, 86570508), (18, 72142090), (20, 64927881), (30, 43285254), (36, 36071045), (45, 28856836), (60, 21642627), (90, 14428418), (180, 7214209), (911, 1425420), (1822, 712710), (2733, 475140), (3644, 356355), (4555, 285084), (5466, 237570), (7919, 163980), (8199, 158380), (9110, 142542), (10932, 118785), (13665, 95028), (15838, 81990), (16398, 79190), (18220, 71271), (23757, 54660), (27330, 47514), (31676, 40995), (32796, 39595)]