15716220

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{20149}}^1$

素因数の和:20174

約数の個数: 48

約数和(自身を含む): 47392800

約数和(自身を除く): 31676580

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, 20149, 40298, 60447, 80596, 100745, 120894, 201490, 241788, 261937, 302235, 402980, 523874, 604470, 785811, 1047748, 1208940, 1309685, 1571622, 2619370, 3143244, 3929055, 5238740, 7858110, 15716220]

約数ペア:

[(1, 15716220), (2, 7858110), (3, 5238740), (4, 3929055), (5, 3143244), (6, 2619370), (10, 1571622), (12, 1309685), (13, 1208940), (15, 1047748), (20, 785811), (26, 604470), (30, 523874), (39, 402980), (52, 302235), (60, 261937), (65, 241788), (78, 201490), (130, 120894), (156, 100745), (195, 80596), (260, 60447), (390, 40298), (780, 20149)]