65721780

素因数分解:

$2^2\times 3^5\times 5^1\times {\mathrm{13523}}^1$

素因数の和:13547

約数の個数: 72

約数和(自身を含む): 206754912

約数和(自身を除く): 141033132

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 27, 30, 36, 45, 54, 60, 81, 90, 108, 135, 162, 180, 243, 270, 324, 405, 486, 540, 810, 972, 1215, 1620, 2430, 4860, 13523, 27046, 40569, 54092, 67615, 81138, 121707, 135230, 162276, 202845, 243414, 270460, 365121, 405690, 486828, 608535, 730242, 811380, 1095363, 1217070, 1460484, 1825605, 2190726, 2434140, 3286089, 3651210, 4381452, 5476815, 6572178, 7302420, 10953630, 13144356, 16430445, 21907260, 32860890, 65721780]

約数ペア:

[(1, 65721780), (2, 32860890), (3, 21907260), (4, 16430445), (5, 13144356), (6, 10953630), (9, 7302420), (10, 6572178), (12, 5476815), (15, 4381452), (18, 3651210), (20, 3286089), (27, 2434140), (30, 2190726), (36, 1825605), (45, 1460484), (54, 1217070), (60, 1095363), (81, 811380), (90, 730242), (108, 608535), (135, 486828), (162, 405690), (180, 365121), (243, 270460), (270, 243414), (324, 202845), (405, 162276), (486, 135230), (540, 121707), (810, 81138), (972, 67615), (1215, 54092), (1620, 40569), (2430, 27046), (4860, 13523)]