30612720

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{229}}^1\times {\mathrm{557}}^1$

素因数の和:802

約数の個数: 80

約数和(自身を含む): 95484960

約数和(自身を除く): 64872240

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 80, 120, 229, 240, 458, 557, 687, 916, 1114, 1145, 1374, 1671, 1832, 2228, 2290, 2748, 2785, 3342, 3435, 3664, 4456, 4580, 5496, 5570, 6684, 6870, 8355, 8912, 9160, 10992, 11140, 13368, 13740, 16710, 18320, 22280, 26736, 27480, 33420, 44560, 54960, 66840, 127553, 133680, 255106, 382659, 510212, 637765, 765318, 1020424, 1275530, 1530636, 1913295, 2040848, 2551060, 3061272, 3826590, 5102120, 6122544, 7653180, 10204240, 15306360, 30612720]

約数ペア:

[(1, 30612720), (2, 15306360), (3, 10204240), (4, 7653180), (5, 6122544), (6, 5102120), (8, 3826590), (10, 3061272), (12, 2551060), (15, 2040848), (16, 1913295), (20, 1530636), (24, 1275530), (30, 1020424), (40, 765318), (48, 637765), (60, 510212), (80, 382659), (120, 255106), (229, 133680), (240, 127553), (458, 66840), (557, 54960), (687, 44560), (916, 33420), (1114, 27480), (1145, 26736), (1374, 22280), (1671, 18320), (1832, 16710), (2228, 13740), (2290, 13368), (2748, 11140), (2785, 10992), (3342, 9160), (3435, 8912), (3664, 8355), (4456, 6870), (4580, 6684), (5496, 5570)]