79561890

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{71}}^1\times {\mathrm{12451}}^1$

素因数の和:12535

約数の個数: 48

約数和(自身を含む): 209791296

約数和(自身を除く): 130229406

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 30, 45, 71, 90, 142, 213, 355, 426, 639, 710, 1065, 1278, 2130, 3195, 6390, 12451, 24902, 37353, 62255, 74706, 112059, 124510, 186765, 224118, 373530, 560295, 884021, 1120590, 1768042, 2652063, 4420105, 5304126, 7956189, 8840210, 13260315, 15912378, 26520630, 39780945, 79561890]

約数ペア:

[(1, 79561890), (2, 39780945), (3, 26520630), (5, 15912378), (6, 13260315), (9, 8840210), (10, 7956189), (15, 5304126), (18, 4420105), (30, 2652063), (45, 1768042), (71, 1120590), (90, 884021), (142, 560295), (213, 373530), (355, 224118), (426, 186765), (639, 124510), (710, 112059), (1065, 74706), (1278, 62255), (2130, 37353), (3195, 24902), (6390, 12451)]