72511640

素因数分解:

$2^3\times 5^1\times {\mathrm{23}}^1\times {\mathrm{269}}^1\times {\mathrm{293}}^1$

素因数の和:596

約数の個数: 64

約数和(自身を含む): 171460800

約数和(自身を除く): 98949160

約数列:

[1, 2, 4, 5, 8, 10, 20, 23, 40, 46, 92, 115, 184, 230, 269, 293, 460, 538, 586, 920, 1076, 1172, 1345, 1465, 2152, 2344, 2690, 2930, 5380, 5860, 6187, 6739, 10760, 11720, 12374, 13478, 24748, 26956, 30935, 33695, 49496, 53912, 61870, 67390, 78817, 123740, 134780, 157634, 247480, 269560, 315268, 394085, 630536, 788170, 1576340, 1812791, 3152680, 3625582, 7251164, 9063955, 14502328, 18127910, 36255820, 72511640]

約数ペア:

[(1, 72511640), (2, 36255820), (4, 18127910), (5, 14502328), (8, 9063955), (10, 7251164), (20, 3625582), (23, 3152680), (40, 1812791), (46, 1576340), (92, 788170), (115, 630536), (184, 394085), (230, 315268), (269, 269560), (293, 247480), (460, 157634), (538, 134780), (586, 123740), (920, 78817), (1076, 67390), (1172, 61870), (1345, 53912), (1465, 49496), (2152, 33695), (2344, 30935), (2690, 26956), (2930, 24748), (5380, 13478), (5860, 12374), (6187, 11720), (6739, 10760)]