220860

素因数分解:

$2^2\times 3^3\times 5^1\times {\mathrm{409}}^1$

素因数の和:427

約数の個数: 48

約数和(自身を含む): 688800

約数和(自身を除く): 467940

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 27, 30, 36, 45, 54, 60, 90, 108, 135, 180, 270, 409, 540, 818, 1227, 1636, 2045, 2454, 3681, 4090, 4908, 6135, 7362, 8180, 11043, 12270, 14724, 18405, 22086, 24540, 36810, 44172, 55215, 73620, 110430, 220860]

約数ペア:

[(1, 220860), (2, 110430), (3, 73620), (4, 55215), (5, 44172), (6, 36810), (9, 24540), (10, 22086), (12, 18405), (15, 14724), (18, 12270), (20, 11043), (27, 8180), (30, 7362), (36, 6135), (45, 4908), (54, 4090), (60, 3681), (90, 2454), (108, 2045), (135, 1636), (180, 1227), (270, 818), (409, 540)]