13325220

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{181}}^1\times {\mathrm{409}}^1$

素因数の和:605

約数の個数: 72

約数和(自身を含む): 40742520

約数和(自身を除く): 27417300

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 181, 362, 409, 543, 724, 818, 905, 1086, 1227, 1629, 1636, 1810, 2045, 2172, 2454, 2715, 3258, 3620, 3681, 4090, 4908, 5430, 6135, 6516, 7362, 8145, 8180, 10860, 12270, 14724, 16290, 18405, 24540, 32580, 36810, 73620, 74029, 148058, 222087, 296116, 370145, 444174, 666261, 740290, 888348, 1110435, 1332522, 1480580, 2220870, 2665044, 3331305, 4441740, 6662610, 13325220]

約数ペア:

[(1, 13325220), (2, 6662610), (3, 4441740), (4, 3331305), (5, 2665044), (6, 2220870), (9, 1480580), (10, 1332522), (12, 1110435), (15, 888348), (18, 740290), (20, 666261), (30, 444174), (36, 370145), (45, 296116), (60, 222087), (90, 148058), (180, 74029), (181, 73620), (362, 36810), (409, 32580), (543, 24540), (724, 18405), (818, 16290), (905, 14724), (1086, 12270), (1227, 10860), (1629, 8180), (1636, 8145), (1810, 7362), (2045, 6516), (2172, 6135), (2454, 5430), (2715, 4908), (3258, 4090), (3620, 3681)]