1921629440

素因数分解:

$2^8\times 5^1\times {\mathrm{179}}^1\times {\mathrm{8387}}^1$

素因数の和:8587

約数の個数: 72

約数和(自身を含む): 4629169440

約数和(自身を除く): 2707540000

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 179, 256, 320, 358, 640, 716, 895, 1280, 1432, 1790, 2864, 3580, 5728, 7160, 8387, 11456, 14320, 16774, 22912, 28640, 33548, 41935, 45824, 57280, 67096, 83870, 114560, 134192, 167740, 229120, 268384, 335480, 536768, 670960, 1073536, 1341920, 1501273, 2147072, 2683840, 3002546, 5367680, 6005092, 7506365, 10735360, 12010184, 15012730, 24020368, 30025460, 48040736, 60050920, 96081472, 120101840, 192162944, 240203680, 384325888, 480407360, 960814720, 1921629440]

約数ペア:

[(1, 1921629440), (2, 960814720), (4, 480407360), (5, 384325888), (8, 240203680), (10, 192162944), (16, 120101840), (20, 96081472), (32, 60050920), (40, 48040736), (64, 30025460), (80, 24020368), (128, 15012730), (160, 12010184), (179, 10735360), (256, 7506365), (320, 6005092), (358, 5367680), (640, 3002546), (716, 2683840), (895, 2147072), (1280, 1501273), (1432, 1341920), (1790, 1073536), (2864, 670960), (3580, 536768), (5728, 335480), (7160, 268384), (8387, 229120), (11456, 167740), (14320, 134192), (16774, 114560), (22912, 83870), (28640, 67096), (33548, 57280), (41935, 45824)]