156957780

素因数分解:

$2^2\times 3^1\times 5^1\times 7^2\times {\mathrm{197}}^1\times {\mathrm{271}}^1$

素因数の和:494

約数の個数: 144

約数和(自身を含む): 515725056

約数和(自身を除く): 358767276

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 49, 60, 70, 84, 98, 105, 140, 147, 196, 197, 210, 245, 271, 294, 394, 420, 490, 542, 588, 591, 735, 788, 813, 980, 985, 1084, 1182, 1355, 1379, 1470, 1626, 1897, 1970, 2364, 2710, 2758, 2940, 2955, 3252, 3794, 3940, 4065, 4137, 5420, 5516, 5691, 5910, 6895, 7588, 8130, 8274, 9485, 9653, 11382, 11820, 13279, 13790, 16260, 16548, 18970, 19306, 20685, 22764, 26558, 27580, 28455, 28959, 37940, 38612, 39837, 41370, 48265, 53116, 53387, 56910, 57918, 66395, 79674, 82740, 96530, 106774, 113820, 115836, 132790, 144795, 159348, 160161, 193060, 199185, 213548, 265580, 266935, 289590, 320322, 373709, 398370, 533870, 579180, 640644, 747418, 796740, 800805, 1067740, 1121127, 1494836, 1601610, 1868545, 2242254, 2615963, 3203220, 3737090, 4484508, 5231926, 5605635, 7474180, 7847889, 10463852, 11211270, 13079815, 15695778, 22422540, 26159630, 31391556, 39239445, 52319260, 78478890, 156957780]

約数ペア:

[(1, 156957780), (2, 78478890), (3, 52319260), (4, 39239445), (5, 31391556), (6, 26159630), (7, 22422540), (10, 15695778), (12, 13079815), (14, 11211270), (15, 10463852), (20, 7847889), (21, 7474180), (28, 5605635), (30, 5231926), (35, 4484508), (42, 3737090), (49, 3203220), (60, 2615963), (70, 2242254), (84, 1868545), (98, 1601610), (105, 1494836), (140, 1121127), (147, 1067740), (196, 800805), (197, 796740), (210, 747418), (245, 640644), (271, 579180), (294, 533870), (394, 398370), (420, 373709), (490, 320322), (542, 289590), (588, 266935), (591, 265580), (735, 213548), (788, 199185), (813, 193060), (980, 160161), (985, 159348), (1084, 144795), (1182, 132790), (1355, 115836), (1379, 113820), (1470, 106774), (1626, 96530), (1897, 82740), (1970, 79674), (2364, 66395), (2710, 57918), (2758, 56910), (2940, 53387), (2955, 53116), (3252, 48265), (3794, 41370), (3940, 39837), (4065, 38612), (4137, 37940), (5420, 28959), (5516, 28455), (5691, 27580), (5910, 26558), (6895, 22764), (7588, 20685), (8130, 19306), (8274, 18970), (9485, 16548), (9653, 16260), (11382, 13790), (11820, 13279)]