131403420

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{23549}}^1$

素因数の和:23595

約数の個数: 72

約数和(自身を含む): 411465600

約数和(自身を除く): 280062180

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 31, 36, 45, 60, 62, 90, 93, 124, 155, 180, 186, 279, 310, 372, 465, 558, 620, 930, 1116, 1395, 1860, 2790, 5580, 23549, 47098, 70647, 94196, 117745, 141294, 211941, 235490, 282588, 353235, 423882, 470980, 706470, 730019, 847764, 1059705, 1412940, 1460038, 2119410, 2190057, 2920076, 3650095, 4238820, 4380114, 6570171, 7300190, 8760228, 10950285, 13140342, 14600380, 21900570, 26280684, 32850855, 43801140, 65701710, 131403420]

約数ペア:

[(1, 131403420), (2, 65701710), (3, 43801140), (4, 32850855), (5, 26280684), (6, 21900570), (9, 14600380), (10, 13140342), (12, 10950285), (15, 8760228), (18, 7300190), (20, 6570171), (30, 4380114), (31, 4238820), (36, 3650095), (45, 2920076), (60, 2190057), (62, 2119410), (90, 1460038), (93, 1412940), (124, 1059705), (155, 847764), (180, 730019), (186, 706470), (279, 470980), (310, 423882), (372, 353235), (465, 282588), (558, 235490), (620, 211941), (930, 141294), (1116, 117745), (1395, 94196), (1860, 70647), (2790, 47098), (5580, 23549)]