31880430

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{61}}^1\times {\mathrm{5807}}^1$

素因数の和:5881

約数の個数: 48

約数和(自身を含む): 84262464

約数和(自身を除く): 52382034

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 30, 45, 61, 90, 122, 183, 305, 366, 549, 610, 915, 1098, 1830, 2745, 5490, 5807, 11614, 17421, 29035, 34842, 52263, 58070, 87105, 104526, 174210, 261315, 354227, 522630, 708454, 1062681, 1771135, 2125362, 3188043, 3542270, 5313405, 6376086, 10626810, 15940215, 31880430]

約数ペア:

[(1, 31880430), (2, 15940215), (3, 10626810), (5, 6376086), (6, 5313405), (9, 3542270), (10, 3188043), (15, 2125362), (18, 1771135), (30, 1062681), (45, 708454), (61, 522630), (90, 354227), (122, 261315), (183, 174210), (305, 104526), (366, 87105), (549, 58070), (610, 52263), (915, 34842), (1098, 29035), (1830, 17421), (2745, 11614), (5490, 5807)]