1556397780

素因数分解:

$2^2\times 3^1\times 5^1\times 7^2\times {\mathrm{31}}^1\times {\mathrm{17077}}^1$

素因数の和:17134

約数の個数: 144

約数和(自身を含む): 5233245696

約数和(自身を除く): 3676847916

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 31, 35, 42, 49, 60, 62, 70, 84, 93, 98, 105, 124, 140, 147, 155, 186, 196, 210, 217, 245, 294, 310, 372, 420, 434, 465, 490, 588, 620, 651, 735, 868, 930, 980, 1085, 1302, 1470, 1519, 1860, 2170, 2604, 2940, 3038, 3255, 4340, 4557, 6076, 6510, 7595, 9114, 13020, 15190, 17077, 18228, 22785, 30380, 34154, 45570, 51231, 68308, 85385, 91140, 102462, 119539, 170770, 204924, 239078, 256155, 341540, 358617, 478156, 512310, 529387, 597695, 717234, 836773, 1024620, 1058774, 1195390, 1434468, 1588161, 1673546, 1793085, 2117548, 2390780, 2510319, 2646935, 3176322, 3347092, 3586170, 3705709, 4183865, 5020638, 5293870, 6352644, 7172340, 7411418, 7940805, 8367730, 10041276, 10587740, 11117127, 12551595, 14822836, 15881610, 16735460, 18528545, 22234254, 25103190, 25939963, 31763220, 37057090, 44468508, 50206380, 51879926, 55585635, 74114180, 77819889, 103759852, 111171270, 129699815, 155639778, 222342540, 259399630, 311279556, 389099445, 518799260, 778198890, 1556397780]

約数ペア:

[(1, 1556397780), (2, 778198890), (3, 518799260), (4, 389099445), (5, 311279556), (6, 259399630), (7, 222342540), (10, 155639778), (12, 129699815), (14, 111171270), (15, 103759852), (20, 77819889), (21, 74114180), (28, 55585635), (30, 51879926), (31, 50206380), (35, 44468508), (42, 37057090), (49, 31763220), (60, 25939963), (62, 25103190), (70, 22234254), (84, 18528545), (93, 16735460), (98, 15881610), (105, 14822836), (124, 12551595), (140, 11117127), (147, 10587740), (155, 10041276), (186, 8367730), (196, 7940805), (210, 7411418), (217, 7172340), (245, 6352644), (294, 5293870), (310, 5020638), (372, 4183865), (420, 3705709), (434, 3586170), (465, 3347092), (490, 3176322), (588, 2646935), (620, 2510319), (651, 2390780), (735, 2117548), (868, 1793085), (930, 1673546), (980, 1588161), (1085, 1434468), (1302, 1195390), (1470, 1058774), (1519, 1024620), (1860, 836773), (2170, 717234), (2604, 597695), (2940, 529387), (3038, 512310), (3255, 478156), (4340, 358617), (4557, 341540), (6076, 256155), (6510, 239078), (7595, 204924), (9114, 170770), (13020, 119539), (15190, 102462), (17077, 91140), (18228, 85385), (22785, 68308), (30380, 51231), (34154, 45570)]