2251265220

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{47}}^1\times {\mathrm{281}}^1\times {\mathrm{947}}^1$

素因数の和:1290

約数の個数: 144

約数和(自身を含む): 7006341888

約数和(自身を除く): 4755076668

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 47, 60, 90, 94, 141, 180, 188, 235, 281, 282, 423, 470, 562, 564, 705, 843, 846, 940, 947, 1124, 1405, 1410, 1686, 1692, 1894, 2115, 2529, 2810, 2820, 2841, 3372, 3788, 4215, 4230, 4735, 5058, 5620, 5682, 8430, 8460, 8523, 9470, 10116, 11364, 12645, 13207, 14205, 16860, 17046, 18940, 25290, 26414, 28410, 34092, 39621, 42615, 44509, 50580, 52828, 56820, 66035, 79242, 85230, 89018, 118863, 132070, 133527, 158484, 170460, 178036, 198105, 222545, 237726, 264140, 266107, 267054, 396210, 400581, 445090, 475452, 532214, 534108, 594315, 667635, 792420, 798321, 801162, 890180, 1064428, 1188630, 1330535, 1335270, 1596642, 1602324, 2002905, 2377260, 2394963, 2661070, 2670540, 3193284, 3991605, 4005810, 4789926, 5322140, 7983210, 8011620, 9579852, 11974815, 12507029, 15966420, 23949630, 25014058, 37521087, 47899260, 50028116, 62535145, 75042174, 112563261, 125070290, 150084348, 187605435, 225126522, 250140580, 375210870, 450253044, 562816305, 750421740, 1125632610, 2251265220]

約数ペア:

[(1, 2251265220), (2, 1125632610), (3, 750421740), (4, 562816305), (5, 450253044), (6, 375210870), (9, 250140580), (10, 225126522), (12, 187605435), (15, 150084348), (18, 125070290), (20, 112563261), (30, 75042174), (36, 62535145), (45, 50028116), (47, 47899260), (60, 37521087), (90, 25014058), (94, 23949630), (141, 15966420), (180, 12507029), (188, 11974815), (235, 9579852), (281, 8011620), (282, 7983210), (423, 5322140), (470, 4789926), (562, 4005810), (564, 3991605), (705, 3193284), (843, 2670540), (846, 2661070), (940, 2394963), (947, 2377260), (1124, 2002905), (1405, 1602324), (1410, 1596642), (1686, 1335270), (1692, 1330535), (1894, 1188630), (2115, 1064428), (2529, 890180), (2810, 801162), (2820, 798321), (2841, 792420), (3372, 667635), (3788, 594315), (4215, 534108), (4230, 532214), (4735, 475452), (5058, 445090), (5620, 400581), (5682, 396210), (8430, 267054), (8460, 266107), (8523, 264140), (9470, 237726), (10116, 222545), (11364, 198105), (12645, 178036), (13207, 170460), (14205, 158484), (16860, 133527), (17046, 132070), (18940, 118863), (25290, 89018), (26414, 85230), (28410, 79242), (34092, 66035), (39621, 56820), (42615, 52828), (44509, 50580)]