321450160

素因数分解:

$2^4\times 5^1\times {\mathrm{31}}^1\times {\mathrm{227}}^1\times {\mathrm{571}}^1$

素因数の和:842

約数の個数: 80

約数和(自身を含む): 776236032

約数和(自身を除く): 454785872

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 40, 62, 80, 124, 155, 227, 248, 310, 454, 496, 571, 620, 908, 1135, 1142, 1240, 1816, 2270, 2284, 2480, 2855, 3632, 4540, 4568, 5710, 7037, 9080, 9136, 11420, 14074, 17701, 18160, 22840, 28148, 35185, 35402, 45680, 56296, 70370, 70804, 88505, 112592, 129617, 140740, 141608, 177010, 259234, 281480, 283216, 354020, 518468, 562960, 648085, 708040, 1036936, 1296170, 1416080, 2073872, 2592340, 4018127, 5184680, 8036254, 10369360, 16072508, 20090635, 32145016, 40181270, 64290032, 80362540, 160725080, 321450160]

約数ペア:

[(1, 321450160), (2, 160725080), (4, 80362540), (5, 64290032), (8, 40181270), (10, 32145016), (16, 20090635), (20, 16072508), (31, 10369360), (40, 8036254), (62, 5184680), (80, 4018127), (124, 2592340), (155, 2073872), (227, 1416080), (248, 1296170), (310, 1036936), (454, 708040), (496, 648085), (571, 562960), (620, 518468), (908, 354020), (1135, 283216), (1142, 281480), (1240, 259234), (1816, 177010), (2270, 141608), (2284, 140740), (2480, 129617), (2855, 112592), (3632, 88505), (4540, 70804), (4568, 70370), (5710, 56296), (7037, 45680), (9080, 35402), (9136, 35185), (11420, 28148), (14074, 22840), (17701, 18160)]