40720560

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{383}}^1\times {\mathrm{443}}^1$

素因数の和:842

約数の個数: 80

約数和(自身を含む): 126849024

約数和(自身を除く): 86128464

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 80, 120, 240, 383, 443, 766, 886, 1149, 1329, 1532, 1772, 1915, 2215, 2298, 2658, 3064, 3544, 3830, 4430, 4596, 5316, 5745, 6128, 6645, 7088, 7660, 8860, 9192, 10632, 11490, 13290, 15320, 17720, 18384, 21264, 22980, 26580, 30640, 35440, 45960, 53160, 91920, 106320, 169669, 339338, 509007, 678676, 848345, 1018014, 1357352, 1696690, 2036028, 2545035, 2714704, 3393380, 4072056, 5090070, 6786760, 8144112, 10180140, 13573520, 20360280, 40720560]

約数ペア:

[(1, 40720560), (2, 20360280), (3, 13573520), (4, 10180140), (5, 8144112), (6, 6786760), (8, 5090070), (10, 4072056), (12, 3393380), (15, 2714704), (16, 2545035), (20, 2036028), (24, 1696690), (30, 1357352), (40, 1018014), (48, 848345), (60, 678676), (80, 509007), (120, 339338), (240, 169669), (383, 106320), (443, 91920), (766, 53160), (886, 45960), (1149, 35440), (1329, 30640), (1532, 26580), (1772, 22980), (1915, 21264), (2215, 18384), (2298, 17720), (2658, 15320), (3064, 13290), (3544, 11490), (3830, 10632), (4430, 9192), (4596, 8860), (5316, 7660), (5745, 7088), (6128, 6645)]