890703780

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{17}}^2\times {\mathrm{31}}^1\times {\mathrm{1657}}^1$

素因数の和:1734

約数の個数: 144

約数和(自身を含む): 2736416256

約数和(自身を除く): 1845712476

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 17, 20, 30, 31, 34, 51, 60, 62, 68, 85, 93, 102, 124, 155, 170, 186, 204, 255, 289, 310, 340, 372, 465, 510, 527, 578, 620, 867, 930, 1020, 1054, 1156, 1445, 1581, 1657, 1734, 1860, 2108, 2635, 2890, 3162, 3314, 3468, 4335, 4971, 5270, 5780, 6324, 6628, 7905, 8285, 8670, 8959, 9942, 10540, 15810, 16570, 17340, 17918, 19884, 24855, 26877, 28169, 31620, 33140, 35836, 44795, 49710, 51367, 53754, 56338, 84507, 89590, 99420, 102734, 107508, 112676, 134385, 140845, 154101, 169014, 179180, 205468, 256835, 268770, 281690, 308202, 338028, 422535, 478873, 513670, 537540, 563380, 616404, 770505, 845070, 873239, 957746, 1027340, 1436619, 1541010, 1690140, 1746478, 1915492, 2394365, 2619717, 2873238, 3082020, 3492956, 4366195, 4788730, 5239434, 5746476, 7183095, 8732390, 9577460, 10478868, 13098585, 14366190, 14845063, 17464780, 26197170, 28732380, 29690126, 44535189, 52394340, 59380252, 74225315, 89070378, 148450630, 178140756, 222675945, 296901260, 445351890, 890703780]

約数ペア:

[(1, 890703780), (2, 445351890), (3, 296901260), (4, 222675945), (5, 178140756), (6, 148450630), (10, 89070378), (12, 74225315), (15, 59380252), (17, 52394340), (20, 44535189), (30, 29690126), (31, 28732380), (34, 26197170), (51, 17464780), (60, 14845063), (62, 14366190), (68, 13098585), (85, 10478868), (93, 9577460), (102, 8732390), (124, 7183095), (155, 5746476), (170, 5239434), (186, 4788730), (204, 4366195), (255, 3492956), (289, 3082020), (310, 2873238), (340, 2619717), (372, 2394365), (465, 1915492), (510, 1746478), (527, 1690140), (578, 1541010), (620, 1436619), (867, 1027340), (930, 957746), (1020, 873239), (1054, 845070), (1156, 770505), (1445, 616404), (1581, 563380), (1657, 537540), (1734, 513670), (1860, 478873), (2108, 422535), (2635, 338028), (2890, 308202), (3162, 281690), (3314, 268770), (3468, 256835), (4335, 205468), (4971, 179180), (5270, 169014), (5780, 154101), (6324, 140845), (6628, 134385), (7905, 112676), (8285, 107508), (8670, 102734), (8959, 99420), (9942, 89590), (10540, 84507), (15810, 56338), (16570, 53754), (17340, 51367), (17918, 49710), (19884, 44795), (24855, 35836), (26877, 33140), (28169, 31620)]