30681960

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{13457}}^1$

素因数の和:13490

約数の個数: 64

約数和(自身を含む): 96897600

約数和(自身を除く): 66215640

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 19, 20, 24, 30, 38, 40, 57, 60, 76, 95, 114, 120, 152, 190, 228, 285, 380, 456, 570, 760, 1140, 2280, 13457, 26914, 40371, 53828, 67285, 80742, 107656, 134570, 161484, 201855, 255683, 269140, 322968, 403710, 511366, 538280, 767049, 807420, 1022732, 1278415, 1534098, 1614840, 2045464, 2556830, 3068196, 3835245, 5113660, 6136392, 7670490, 10227320, 15340980, 30681960]

約数ペア:

[(1, 30681960), (2, 15340980), (3, 10227320), (4, 7670490), (5, 6136392), (6, 5113660), (8, 3835245), (10, 3068196), (12, 2556830), (15, 2045464), (19, 1614840), (20, 1534098), (24, 1278415), (30, 1022732), (38, 807420), (40, 767049), (57, 538280), (60, 511366), (76, 403710), (95, 322968), (114, 269140), (120, 255683), (152, 201855), (190, 161484), (228, 134570), (285, 107656), (380, 80742), (456, 67285), (570, 53828), (760, 40371), (1140, 26914), (2280, 13457)]