81440004

素因数分解:

$2^2\times 3^1\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{109}}^1\times {\mathrm{113}}^1$

素因数の和:277

約数の個数: 96

約数和(自身を含む): 210672000

約数和(自身を除く): 129231996

約数列:

[1, 2, 3, 4, 6, 12, 19, 29, 38, 57, 58, 76, 87, 109, 113, 114, 116, 174, 218, 226, 228, 327, 339, 348, 436, 452, 551, 654, 678, 1102, 1308, 1356, 1653, 2071, 2147, 2204, 3161, 3277, 3306, 4142, 4294, 6213, 6322, 6441, 6554, 6612, 8284, 8588, 9483, 9831, 12317, 12426, 12644, 12882, 13108, 18966, 19662, 24634, 24852, 25764, 36951, 37932, 39324, 49268, 60059, 62263, 73902, 120118, 124526, 147804, 180177, 186789, 234023, 240236, 249052, 357193, 360354, 373578, 468046, 702069, 714386, 720708, 747156, 936092, 1071579, 1404138, 1428772, 2143158, 2808276, 4286316, 6786667, 13573334, 20360001, 27146668, 40720002, 81440004]

約数ペア:

[(1, 81440004), (2, 40720002), (3, 27146668), (4, 20360001), (6, 13573334), (12, 6786667), (19, 4286316), (29, 2808276), (38, 2143158), (57, 1428772), (58, 1404138), (76, 1071579), (87, 936092), (109, 747156), (113, 720708), (114, 714386), (116, 702069), (174, 468046), (218, 373578), (226, 360354), (228, 357193), (327, 249052), (339, 240236), (348, 234023), (436, 186789), (452, 180177), (551, 147804), (654, 124526), (678, 120118), (1102, 73902), (1308, 62263), (1356, 60059), (1653, 49268), (2071, 39324), (2147, 37932), (2204, 36951), (3161, 25764), (3277, 24852), (3306, 24634), (4142, 19662), (4294, 18966), (6213, 13108), (6322, 12882), (6441, 12644), (6554, 12426), (6612, 12317), (8284, 9831), (8588, 9483)]