138679680

素因数分解:

$2^7\times 3^1\times 5^1\times {\mathrm{72229}}^1$

素因数の和:72251

約数の個数: 64

約数和(自身を含む): 442047600

約数和(自身を除く): 303367920

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 32, 40, 48, 60, 64, 80, 96, 120, 128, 160, 192, 240, 320, 384, 480, 640, 960, 1920, 72229, 144458, 216687, 288916, 361145, 433374, 577832, 722290, 866748, 1083435, 1155664, 1444580, 1733496, 2166870, 2311328, 2889160, 3466992, 4333740, 4622656, 5778320, 6933984, 8667480, 9245312, 11556640, 13867968, 17334960, 23113280, 27735936, 34669920, 46226560, 69339840, 138679680]

約数ペア:

[(1, 138679680), (2, 69339840), (3, 46226560), (4, 34669920), (5, 27735936), (6, 23113280), (8, 17334960), (10, 13867968), (12, 11556640), (15, 9245312), (16, 8667480), (20, 6933984), (24, 5778320), (30, 4622656), (32, 4333740), (40, 3466992), (48, 2889160), (60, 2311328), (64, 2166870), (80, 1733496), (96, 1444580), (120, 1155664), (128, 1083435), (160, 866748), (192, 722290), (240, 577832), (320, 433374), (384, 361145), (480, 288916), (640, 216687), (960, 144458), (1920, 72229)]