138917760

素因数分解:

$2^7\times 3^1\times 5^1\times {\mathrm{72353}}^1$

素因数の和:72375

約数の個数: 64

約数和(自身を含む): 442806480

約数和(自身を除く): 303888720

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, 72353, 144706, 217059, 289412, 361765, 434118, 578824, 723530, 868236, 1085295, 1157648, 1447060, 1736472, 2170590, 2315296, 2894120, 3472944, 4341180, 4630592, 5788240, 6945888, 8682360, 9261184, 11576480, 13891776, 17364720, 23152960, 27783552, 34729440, 46305920, 69458880, 138917760]

約数ペア:

[(1, 138917760), (2, 69458880), (3, 46305920), (4, 34729440), (5, 27783552), (6, 23152960), (8, 17364720), (10, 13891776), (12, 11576480), (15, 9261184), (16, 8682360), (20, 6945888), (24, 5788240), (30, 4630592), (32, 4341180), (40, 3472944), (48, 2894120), (60, 2315296), (64, 2170590), (80, 1736472), (96, 1447060), (120, 1157648), (128, 1085295), (160, 868236), (192, 723530), (240, 578824), (320, 434118), (384, 361765), (480, 289412), (640, 217059), (960, 144706), (1920, 72353)]