72169160

素因数分解:

$2^3\times 5^1\times 7^2\times {\mathrm{36821}}^1$

素因数の和:36846

約数の個数: 48

約数和(自身を含む): 188896860

約数和(自身を除く): 116727700

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 49, 56, 70, 98, 140, 196, 245, 280, 392, 490, 980, 1960, 36821, 73642, 147284, 184105, 257747, 294568, 368210, 515494, 736420, 1030988, 1288735, 1472840, 1804229, 2061976, 2577470, 3608458, 5154940, 7216916, 9021145, 10309880, 14433832, 18042290, 36084580, 72169160]

約数ペア:

[(1, 72169160), (2, 36084580), (4, 18042290), (5, 14433832), (7, 10309880), (8, 9021145), (10, 7216916), (14, 5154940), (20, 3608458), (28, 2577470), (35, 2061976), (40, 1804229), (49, 1472840), (56, 1288735), (70, 1030988), (98, 736420), (140, 515494), (196, 368210), (245, 294568), (280, 257747), (392, 184105), (490, 147284), (980, 73642), (1960, 36821)]