87248460

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{111857}}^1$

素因数の和:111882

約数の個数: 48

約数和(自身を含む): 263090016

約数和(自身を除く): 175841556

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, 111857, 223714, 335571, 447428, 559285, 671142, 1118570, 1342284, 1454141, 1677855, 2237140, 2908282, 3355710, 4362423, 5816564, 6711420, 7270705, 8724846, 14541410, 17449692, 21812115, 29082820, 43624230, 87248460]

約数ペア:

[(1, 87248460), (2, 43624230), (3, 29082820), (4, 21812115), (5, 17449692), (6, 14541410), (10, 8724846), (12, 7270705), (13, 6711420), (15, 5816564), (20, 4362423), (26, 3355710), (30, 2908282), (39, 2237140), (52, 1677855), (60, 1454141), (65, 1342284), (78, 1118570), (130, 671142), (156, 559285), (195, 447428), (260, 335571), (390, 223714), (780, 111857)]