80713320

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{521}}^1\times {\mathrm{1291}}^1$

素因数の和:1826

約数の個数: 64

約数和(自身を含む): 242792640

約数和(自身を除く): 162079320

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 120, 521, 1042, 1291, 1563, 2084, 2582, 2605, 3126, 3873, 4168, 5164, 5210, 6252, 6455, 7746, 7815, 10328, 10420, 12504, 12910, 15492, 15630, 19365, 20840, 25820, 30984, 31260, 38730, 51640, 62520, 77460, 154920, 672611, 1345222, 2017833, 2690444, 3363055, 4035666, 5380888, 6726110, 8071332, 10089165, 13452220, 16142664, 20178330, 26904440, 40356660, 80713320]

約数ペア:

[(1, 80713320), (2, 40356660), (3, 26904440), (4, 20178330), (5, 16142664), (6, 13452220), (8, 10089165), (10, 8071332), (12, 6726110), (15, 5380888), (20, 4035666), (24, 3363055), (30, 2690444), (40, 2017833), (60, 1345222), (120, 672611), (521, 154920), (1042, 77460), (1291, 62520), (1563, 51640), (2084, 38730), (2582, 31260), (2605, 30984), (3126, 25820), (3873, 20840), (4168, 19365), (5164, 15630), (5210, 15492), (6252, 12910), (6455, 12504), (7746, 10420), (7815, 10328)]