30840920

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{29}}^1\times {\mathrm{2417}}^1$

素因数の和:2468

約数の個数: 64

約数和(自身を含む): 78343200

約数和(自身を除く): 47502280

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 29, 40, 44, 55, 58, 88, 110, 116, 145, 220, 232, 290, 319, 440, 580, 638, 1160, 1276, 1595, 2417, 2552, 3190, 4834, 6380, 9668, 12085, 12760, 19336, 24170, 26587, 48340, 53174, 70093, 96680, 106348, 132935, 140186, 212696, 265870, 280372, 350465, 531740, 560744, 700930, 771023, 1063480, 1401860, 1542046, 2803720, 3084092, 3855115, 6168184, 7710230, 15420460, 30840920]

約数ペア:

[(1, 30840920), (2, 15420460), (4, 7710230), (5, 6168184), (8, 3855115), (10, 3084092), (11, 2803720), (20, 1542046), (22, 1401860), (29, 1063480), (40, 771023), (44, 700930), (55, 560744), (58, 531740), (88, 350465), (110, 280372), (116, 265870), (145, 212696), (220, 140186), (232, 132935), (290, 106348), (319, 96680), (440, 70093), (580, 53174), (638, 48340), (1160, 26587), (1276, 24170), (1595, 19336), (2417, 12760), (2552, 12085), (3190, 9668), (4834, 6380)]