20161225290

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{61}}^1\times {\mathrm{2693}}^1\times {\mathrm{4091}}^1$

素因数の和:6855

約数の個数: 64

約数和(自身を含む): 49210457472

約数和(自身を除く): 29049232182

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 61, 122, 183, 305, 366, 610, 915, 1830, 2693, 4091, 5386, 8079, 8182, 12273, 13465, 16158, 20455, 24546, 26930, 40395, 40910, 61365, 80790, 122730, 164273, 249551, 328546, 492819, 499102, 748653, 821365, 985638, 1247755, 1497306, 1642730, 2464095, 2495510, 3743265, 4928190, 7486530, 11017063, 22034126, 33051189, 55085315, 66102378, 110170630, 165255945, 330511890, 672040843, 1344081686, 2016122529, 3360204215, 4032245058, 6720408430, 10080612645, 20161225290]

約数ペア:

[(1, 20161225290), (2, 10080612645), (3, 6720408430), (5, 4032245058), (6, 3360204215), (10, 2016122529), (15, 1344081686), (30, 672040843), (61, 330511890), (122, 165255945), (183, 110170630), (305, 66102378), (366, 55085315), (610, 33051189), (915, 22034126), (1830, 11017063), (2693, 7486530), (4091, 4928190), (5386, 3743265), (8079, 2495510), (8182, 2464095), (12273, 1642730), (13465, 1497306), (16158, 1247755), (20455, 985638), (24546, 821365), (26930, 748653), (40395, 499102), (40910, 492819), (61365, 328546), (80790, 249551), (122730, 164273)]