123805360

素因数分解:

$2^4\times 5^1\times 7^2\times {\mathrm{31583}}^1$

素因数の和:31610

約数の個数: 60

約数和(自身を含む): 334853568

約数和(自身を除く): 211048208

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 49, 56, 70, 80, 98, 112, 140, 196, 245, 280, 392, 490, 560, 784, 980, 1960, 3920, 31583, 63166, 126332, 157915, 221081, 252664, 315830, 442162, 505328, 631660, 884324, 1105405, 1263320, 1547567, 1768648, 2210810, 2526640, 3095134, 3537296, 4421620, 6190268, 7737835, 8843240, 12380536, 15475670, 17686480, 24761072, 30951340, 61902680, 123805360]

約数ペア:

[(1, 123805360), (2, 61902680), (4, 30951340), (5, 24761072), (7, 17686480), (8, 15475670), (10, 12380536), (14, 8843240), (16, 7737835), (20, 6190268), (28, 4421620), (35, 3537296), (40, 3095134), (49, 2526640), (56, 2210810), (70, 1768648), (80, 1547567), (98, 1263320), (112, 1105405), (140, 884324), (196, 631660), (245, 505328), (280, 442162), (392, 315830), (490, 252664), (560, 221081), (784, 157915), (980, 126332), (1960, 63166), (3920, 31583)]