90458680

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{73}}^1\times {\mathrm{2383}}^1$

素因数の和:2480

約数の個数: 64

約数和(自身を含む): 222284160

約数和(自身を除く): 131825480

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 73, 104, 130, 146, 260, 292, 365, 520, 584, 730, 949, 1460, 1898, 2383, 2920, 3796, 4745, 4766, 7592, 9490, 9532, 11915, 18980, 19064, 23830, 30979, 37960, 47660, 61958, 95320, 123916, 154895, 173959, 247832, 309790, 347918, 619580, 695836, 869795, 1239160, 1391672, 1739590, 2261467, 3479180, 4522934, 6958360, 9045868, 11307335, 18091736, 22614670, 45229340, 90458680]

約数ペア:

[(1, 90458680), (2, 45229340), (4, 22614670), (5, 18091736), (8, 11307335), (10, 9045868), (13, 6958360), (20, 4522934), (26, 3479180), (40, 2261467), (52, 1739590), (65, 1391672), (73, 1239160), (104, 869795), (130, 695836), (146, 619580), (260, 347918), (292, 309790), (365, 247832), (520, 173959), (584, 154895), (730, 123916), (949, 95320), (1460, 61958), (1898, 47660), (2383, 37960), (2920, 30979), (3796, 23830), (4745, 19064), (4766, 18980), (7592, 11915), (9490, 9532)]