72781410

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{186619}}^1$

素因数の和:186642

約数の個数: 32

約数和(自身を含む): 188112960

約数和(自身を除く): 115331550

約数列:

[1, 2, 3, 5, 6, 10, 13, 15, 26, 30, 39, 65, 78, 130, 195, 390, 186619, 373238, 559857, 933095, 1119714, 1866190, 2426047, 2799285, 4852094, 5598570, 7278141, 12130235, 14556282, 24260470, 36390705, 72781410]

約数ペア:

[(1, 72781410), (2, 36390705), (3, 24260470), (5, 14556282), (6, 12130235), (10, 7278141), (13, 5598570), (15, 4852094), (26, 2799285), (30, 2426047), (39, 1866190), (65, 1119714), (78, 933095), (130, 559857), (195, 373238), (390, 186619)]