81441120

素因数分解:

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

素因数の和:844

約数の個数: 96

約数和(自身を含む): 257789952

約数和(自身を除く): 176348832

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 32, 40, 48, 60, 80, 96, 120, 160, 240, 383, 443, 480, 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, 12256, 13290, 14176, 15320, 17720, 18384, 21264, 22980, 26580, 30640, 35440, 36768, 42528, 45960, 53160, 61280, 70880, 91920, 106320, 169669, 183840, 212640, 339338, 509007, 678676, 848345, 1018014, 1357352, 1696690, 2036028, 2545035, 2714704, 3393380, 4072056, 5090070, 5429408, 6786760, 8144112, 10180140, 13573520, 16288224, 20360280, 27147040, 40720560, 81441120]

約数ペア:

[(1, 81441120), (2, 40720560), (3, 27147040), (4, 20360280), (5, 16288224), (6, 13573520), (8, 10180140), (10, 8144112), (12, 6786760), (15, 5429408), (16, 5090070), (20, 4072056), (24, 3393380), (30, 2714704), (32, 2545035), (40, 2036028), (48, 1696690), (60, 1357352), (80, 1018014), (96, 848345), (120, 678676), (160, 509007), (240, 339338), (383, 212640), (443, 183840), (480, 169669), (766, 106320), (886, 91920), (1149, 70880), (1329, 61280), (1532, 53160), (1772, 45960), (1915, 42528), (2215, 36768), (2298, 35440), (2658, 30640), (3064, 26580), (3544, 22980), (3830, 21264), (4430, 18384), (4596, 17720), (5316, 15320), (5745, 14176), (6128, 13290), (6645, 12256), (7088, 11490), (7660, 10632), (8860, 9192)]