138725760

素因数分解:

$2^7\times 3^1\times 5^1\times {\mathrm{72253}}^1$

素因数の和:72275

約数の個数: 64

約数和(自身を含む): 442194480

約数和(自身を除く): 303468720

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, 72253, 144506, 216759, 289012, 361265, 433518, 578024, 722530, 867036, 1083795, 1156048, 1445060, 1734072, 2167590, 2312096, 2890120, 3468144, 4335180, 4624192, 5780240, 6936288, 8670360, 9248384, 11560480, 13872576, 17340720, 23120960, 27745152, 34681440, 46241920, 69362880, 138725760]

約数ペア:

[(1, 138725760), (2, 69362880), (3, 46241920), (4, 34681440), (5, 27745152), (6, 23120960), (8, 17340720), (10, 13872576), (12, 11560480), (15, 9248384), (16, 8670360), (20, 6936288), (24, 5780240), (30, 4624192), (32, 4335180), (40, 3468144), (48, 2890120), (60, 2312096), (64, 2167590), (80, 1734072), (96, 1445060), (120, 1156048), (128, 1083795), (160, 867036), (192, 722530), (240, 578024), (320, 433518), (384, 361265), (480, 289012), (640, 216759), (960, 144506), (1920, 72253)]