61902680

素因数分解:

$2^3\times 5^1\times 7^2\times {\mathrm{31583}}^1$

素因数の和:31608

約数の個数: 48

約数和(自身を含む): 162025920

約数和(自身を除く): 100123240

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, 31583, 63166, 126332, 157915, 221081, 252664, 315830, 442162, 631660, 884324, 1105405, 1263320, 1547567, 1768648, 2210810, 3095134, 4421620, 6190268, 7737835, 8843240, 12380536, 15475670, 30951340, 61902680]

約数ペア:

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