1999061760

素因数分解:

$2^8\times 3^1\times 5^1\times {\mathrm{520589}}^1$

素因数の和:520613

約数の個数: 72

約数和(自身を含む): 6384515760

約数和(自身を除く): 4385454000

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, 256, 320, 384, 480, 640, 768, 960, 1280, 1920, 3840, 520589, 1041178, 1561767, 2082356, 2602945, 3123534, 4164712, 5205890, 6247068, 7808835, 8329424, 10411780, 12494136, 15617670, 16658848, 20823560, 24988272, 31235340, 33317696, 41647120, 49976544, 62470680, 66635392, 83294240, 99953088, 124941360, 133270784, 166588480, 199906176, 249882720, 333176960, 399812352, 499765440, 666353920, 999530880, 1999061760]

約数ペア:

[(1, 1999061760), (2, 999530880), (3, 666353920), (4, 499765440), (5, 399812352), (6, 333176960), (8, 249882720), (10, 199906176), (12, 166588480), (15, 133270784), (16, 124941360), (20, 99953088), (24, 83294240), (30, 66635392), (32, 62470680), (40, 49976544), (48, 41647120), (60, 33317696), (64, 31235340), (80, 24988272), (96, 20823560), (120, 16658848), (128, 15617670), (160, 12494136), (192, 10411780), (240, 8329424), (256, 7808835), (320, 6247068), (384, 5205890), (480, 4164712), (640, 3123534), (768, 2602945), (960, 2082356), (1280, 1561767), (1920, 1041178), (3840, 520589)]