78697620

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{23011}}^1$

素因数の和:23045

約数の個数: 72

約数和(自身を含む): 251291040

約数和(自身を除く): 172593420

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 19, 20, 30, 36, 38, 45, 57, 60, 76, 90, 95, 114, 171, 180, 190, 228, 285, 342, 380, 570, 684, 855, 1140, 1710, 3420, 23011, 46022, 69033, 92044, 115055, 138066, 207099, 230110, 276132, 345165, 414198, 437209, 460220, 690330, 828396, 874418, 1035495, 1311627, 1380660, 1748836, 2070990, 2186045, 2623254, 3934881, 4141980, 4372090, 5246508, 6558135, 7869762, 8744180, 13116270, 15739524, 19674405, 26232540, 39348810, 78697620]

約数ペア:

[(1, 78697620), (2, 39348810), (3, 26232540), (4, 19674405), (5, 15739524), (6, 13116270), (9, 8744180), (10, 7869762), (12, 6558135), (15, 5246508), (18, 4372090), (19, 4141980), (20, 3934881), (30, 2623254), (36, 2186045), (38, 2070990), (45, 1748836), (57, 1380660), (60, 1311627), (76, 1035495), (90, 874418), (95, 828396), (114, 690330), (171, 460220), (180, 437209), (190, 414198), (228, 345165), (285, 276132), (342, 230110), (380, 207099), (570, 138066), (684, 115055), (855, 92044), (1140, 69033), (1710, 46022), (3420, 23011)]