78555960

素因数分解:

$2^3\times 3^3\times 5^1\times 7^1\times {\mathrm{10391}}^1$

素因数の和:10418

約数の個数: 128

約数和(自身を含む): 299289600

約数和(自身を除く): 220733640

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 18, 20, 21, 24, 27, 28, 30, 35, 36, 40, 42, 45, 54, 56, 60, 63, 70, 72, 84, 90, 105, 108, 120, 126, 135, 140, 168, 180, 189, 210, 216, 252, 270, 280, 315, 360, 378, 420, 504, 540, 630, 756, 840, 945, 1080, 1260, 1512, 1890, 2520, 3780, 7560, 10391, 20782, 31173, 41564, 51955, 62346, 72737, 83128, 93519, 103910, 124692, 145474, 155865, 187038, 207820, 218211, 249384, 280557, 290948, 311730, 363685, 374076, 415640, 436422, 467595, 561114, 581896, 623460, 654633, 727370, 748152, 872844, 935190, 1091055, 1122228, 1246920, 1309266, 1402785, 1454740, 1745688, 1870380, 1963899, 2182110, 2244456, 2618532, 2805570, 2909480, 3273165, 3740760, 3927798, 4364220, 5237064, 5611140, 6546330, 7855596, 8728440, 9819495, 11222280, 13092660, 15711192, 19638990, 26185320, 39277980, 78555960]

約数ペア:

[(1, 78555960), (2, 39277980), (3, 26185320), (4, 19638990), (5, 15711192), (6, 13092660), (7, 11222280), (8, 9819495), (9, 8728440), (10, 7855596), (12, 6546330), (14, 5611140), (15, 5237064), (18, 4364220), (20, 3927798), (21, 3740760), (24, 3273165), (27, 2909480), (28, 2805570), (30, 2618532), (35, 2244456), (36, 2182110), (40, 1963899), (42, 1870380), (45, 1745688), (54, 1454740), (56, 1402785), (60, 1309266), (63, 1246920), (70, 1122228), (72, 1091055), (84, 935190), (90, 872844), (105, 748152), (108, 727370), (120, 654633), (126, 623460), (135, 581896), (140, 561114), (168, 467595), (180, 436422), (189, 415640), (210, 374076), (216, 363685), (252, 311730), (270, 290948), (280, 280557), (315, 249384), (360, 218211), (378, 207820), (420, 187038), (504, 155865), (540, 145474), (630, 124692), (756, 103910), (840, 93519), (945, 83128), (1080, 72737), (1260, 62346), (1512, 51955), (1890, 41564), (2520, 31173), (3780, 20782), (7560, 10391)]