310812060

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{398477}}^1$

素因数の和:398502

約数の個数: 48

約数和(自身を含む): 937220256

約数和(自身を除く): 626408196

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 13, 15, 20, 26, 30, 39, 52, 60, 65, 78, 130, 156, 195, 260, 390, 780, 398477, 796954, 1195431, 1593908, 1992385, 2390862, 3984770, 4781724, 5180201, 5977155, 7969540, 10360402, 11954310, 15540603, 20720804, 23908620, 25901005, 31081206, 51802010, 62162412, 77703015, 103604020, 155406030, 310812060]

約数ペア:

[(1, 310812060), (2, 155406030), (3, 103604020), (4, 77703015), (5, 62162412), (6, 51802010), (10, 31081206), (12, 25901005), (13, 23908620), (15, 20720804), (20, 15540603), (26, 11954310), (30, 10360402), (39, 7969540), (52, 5977155), (60, 5180201), (65, 4781724), (78, 3984770), (130, 2390862), (156, 1992385), (195, 1593908), (260, 1195431), (390, 796954), (780, 398477)]