1983390720

素因数分解:

$2^{10}\times 3^1\times 5^1\times {\mathrm{129127}}^1$

素因数の和:129155

約数の個数: 88

約数和(自身を含む): 6343800384

約数和(自身を除く): 4360409664

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, 512, 640, 768, 960, 1024, 1280, 1536, 1920, 2560, 3072, 3840, 5120, 7680, 15360, 129127, 258254, 387381, 516508, 645635, 774762, 1033016, 1291270, 1549524, 1936905, 2066032, 2582540, 3099048, 3873810, 4132064, 5165080, 6198096, 7747620, 8264128, 10330160, 12396192, 15495240, 16528256, 20660320, 24792384, 30990480, 33056512, 41320640, 49584768, 61980960, 66113024, 82641280, 99169536, 123961920, 132226048, 165282560, 198339072, 247923840, 330565120, 396678144, 495847680, 661130240, 991695360, 1983390720]

約数ペア:

[(1, 1983390720), (2, 991695360), (3, 661130240), (4, 495847680), (5, 396678144), (6, 330565120), (8, 247923840), (10, 198339072), (12, 165282560), (15, 132226048), (16, 123961920), (20, 99169536), (24, 82641280), (30, 66113024), (32, 61980960), (40, 49584768), (48, 41320640), (60, 33056512), (64, 30990480), (80, 24792384), (96, 20660320), (120, 16528256), (128, 15495240), (160, 12396192), (192, 10330160), (240, 8264128), (256, 7747620), (320, 6198096), (384, 5165080), (480, 4132064), (512, 3873810), (640, 3099048), (768, 2582540), (960, 2066032), (1024, 1936905), (1280, 1549524), (1536, 1291270), (1920, 1033016), (2560, 774762), (3072, 645635), (3840, 516508), (5120, 387381), (7680, 258254), (15360, 129127)]