81606168

素因数分解:

$2^3\times 3^2\times 7^2\times {\mathrm{23131}}^1$

素因数の和:23157

約数の個数: 72

約数和(自身を含む): 257112180

約数和(自身を除く): 175506012

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 14, 18, 21, 24, 28, 36, 42, 49, 56, 63, 72, 84, 98, 126, 147, 168, 196, 252, 294, 392, 441, 504, 588, 882, 1176, 1764, 3528, 23131, 46262, 69393, 92524, 138786, 161917, 185048, 208179, 277572, 323834, 416358, 485751, 555144, 647668, 832716, 971502, 1133419, 1295336, 1457253, 1665432, 1943004, 2266838, 2914506, 3400257, 3886008, 4533676, 5829012, 6800514, 9067352, 10200771, 11658024, 13601028, 20401542, 27202056, 40803084, 81606168]

約数ペア:

[(1, 81606168), (2, 40803084), (3, 27202056), (4, 20401542), (6, 13601028), (7, 11658024), (8, 10200771), (9, 9067352), (12, 6800514), (14, 5829012), (18, 4533676), (21, 3886008), (24, 3400257), (28, 2914506), (36, 2266838), (42, 1943004), (49, 1665432), (56, 1457253), (63, 1295336), (72, 1133419), (84, 971502), (98, 832716), (126, 647668), (147, 555144), (168, 485751), (196, 416358), (252, 323834), (294, 277572), (392, 208179), (441, 185048), (504, 161917), (588, 138786), (882, 92524), (1176, 69393), (1764, 46262), (3528, 23131)]