15340980

素因数分解:

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

素因数の和:13488

約数の個数: 48

約数和(自身を含む): 45218880

約数和(自身を除く): 29877900

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 19, 20, 30, 38, 57, 60, 76, 95, 114, 190, 228, 285, 380, 570, 1140, 13457, 26914, 40371, 53828, 67285, 80742, 134570, 161484, 201855, 255683, 269140, 403710, 511366, 767049, 807420, 1022732, 1278415, 1534098, 2556830, 3068196, 3835245, 5113660, 7670490, 15340980]

約数ペア:

[(1, 15340980), (2, 7670490), (3, 5113660), (4, 3835245), (5, 3068196), (6, 2556830), (10, 1534098), (12, 1278415), (15, 1022732), (19, 807420), (20, 767049), (30, 511366), (38, 403710), (57, 269140), (60, 255683), (76, 201855), (95, 161484), (114, 134570), (190, 80742), (228, 67285), (285, 53828), (380, 40371), (570, 26914), (1140, 13457)]