30981860

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{587}}^1$

素因数の和:645

約数の個数: 96

約数和(自身を含む): 82978560

約数和(自身を除く): 51996700

約数列:

[1, 2, 4, 5, 7, 10, 13, 14, 20, 26, 28, 29, 35, 52, 58, 65, 70, 91, 116, 130, 140, 145, 182, 203, 260, 290, 364, 377, 406, 455, 580, 587, 754, 812, 910, 1015, 1174, 1508, 1820, 1885, 2030, 2348, 2639, 2935, 3770, 4060, 4109, 5278, 5870, 7540, 7631, 8218, 10556, 11740, 13195, 15262, 16436, 17023, 20545, 26390, 30524, 34046, 38155, 41090, 52780, 53417, 68092, 76310, 82180, 85115, 106834, 119161, 152620, 170230, 213668, 221299, 238322, 267085, 340460, 442598, 476644, 534170, 595805, 885196, 1068340, 1106495, 1191610, 1549093, 2212990, 2383220, 3098186, 4425980, 6196372, 7745465, 15490930, 30981860]

約数ペア:

[(1, 30981860), (2, 15490930), (4, 7745465), (5, 6196372), (7, 4425980), (10, 3098186), (13, 2383220), (14, 2212990), (20, 1549093), (26, 1191610), (28, 1106495), (29, 1068340), (35, 885196), (52, 595805), (58, 534170), (65, 476644), (70, 442598), (91, 340460), (116, 267085), (130, 238322), (140, 221299), (145, 213668), (182, 170230), (203, 152620), (260, 119161), (290, 106834), (364, 85115), (377, 82180), (406, 76310), (455, 68092), (580, 53417), (587, 52780), (754, 41090), (812, 38155), (910, 34046), (1015, 30524), (1174, 26390), (1508, 20545), (1820, 17023), (1885, 16436), (2030, 15262), (2348, 13195), (2639, 11740), (2935, 10556), (3770, 8218), (4060, 7631), (4109, 7540), (5278, 5870)]