51386760

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{349}}^1\times {\mathrm{409}}^1$

素因数の和:775

約数の個数: 96

約数和(自身を含む): 167895000

約数和(自身を除く): 116508240

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 30, 36, 40, 45, 60, 72, 90, 120, 180, 349, 360, 409, 698, 818, 1047, 1227, 1396, 1636, 1745, 2045, 2094, 2454, 2792, 3141, 3272, 3490, 3681, 4090, 4188, 4908, 5235, 6135, 6282, 6980, 7362, 8180, 8376, 9816, 10470, 12270, 12564, 13960, 14724, 15705, 16360, 18405, 20940, 24540, 25128, 29448, 31410, 36810, 41880, 49080, 62820, 73620, 125640, 142741, 147240, 285482, 428223, 570964, 713705, 856446, 1141928, 1284669, 1427410, 1712892, 2141115, 2569338, 2854820, 3425784, 4282230, 5138676, 5709640, 6423345, 8564460, 10277352, 12846690, 17128920, 25693380, 51386760]

約数ペア:

[(1, 51386760), (2, 25693380), (3, 17128920), (4, 12846690), (5, 10277352), (6, 8564460), (8, 6423345), (9, 5709640), (10, 5138676), (12, 4282230), (15, 3425784), (18, 2854820), (20, 2569338), (24, 2141115), (30, 1712892), (36, 1427410), (40, 1284669), (45, 1141928), (60, 856446), (72, 713705), (90, 570964), (120, 428223), (180, 285482), (349, 147240), (360, 142741), (409, 125640), (698, 73620), (818, 62820), (1047, 49080), (1227, 41880), (1396, 36810), (1636, 31410), (1745, 29448), (2045, 25128), (2094, 24540), (2454, 20940), (2792, 18405), (3141, 16360), (3272, 15705), (3490, 14724), (3681, 13960), (4090, 12564), (4188, 12270), (4908, 10470), (5235, 9816), (6135, 8376), (6282, 8180), (6980, 7362)]