81736320

素因数分解:

$2^7\times 3^1\times 5^1\times {\mathrm{42571}}^1$

素因数の和:42593

約数の個数: 64

約数和(自身を含む): 260540640

約数和(自身を除く): 178804320

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, 42571, 85142, 127713, 170284, 212855, 255426, 340568, 425710, 510852, 638565, 681136, 851420, 1021704, 1277130, 1362272, 1702840, 2043408, 2554260, 2724544, 3405680, 4086816, 5108520, 5449088, 6811360, 8173632, 10217040, 13622720, 16347264, 20434080, 27245440, 40868160, 81736320]

約数ペア:

[(1, 81736320), (2, 40868160), (3, 27245440), (4, 20434080), (5, 16347264), (6, 13622720), (8, 10217040), (10, 8173632), (12, 6811360), (15, 5449088), (16, 5108520), (20, 4086816), (24, 3405680), (30, 2724544), (32, 2554260), (40, 2043408), (48, 1702840), (60, 1362272), (64, 1277130), (80, 1021704), (96, 851420), (120, 681136), (128, 638565), (160, 510852), (192, 425710), (240, 340568), (320, 255426), (384, 212855), (480, 170284), (640, 127713), (960, 85142), (1920, 42571)]