42720990

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{109541}}^1$

素因数の和:109564

約数の個数: 32

約数和(自身を含む): 110418336

約数和(自身を除く): 67697346

約数列:

[1, 2, 3, 5, 6, 10, 13, 15, 26, 30, 39, 65, 78, 130, 195, 390, 109541, 219082, 328623, 547705, 657246, 1095410, 1424033, 1643115, 2848066, 3286230, 4272099, 7120165, 8544198, 14240330, 21360495, 42720990]

約数ペア:

[(1, 42720990), (2, 21360495), (3, 14240330), (5, 8544198), (6, 7120165), (10, 4272099), (13, 3286230), (15, 2848066), (26, 1643115), (30, 1424033), (39, 1095410), (65, 657246), (78, 547705), (130, 328623), (195, 219082), (390, 109541)]