1818373760

素因数分解:

$2^7\times 5^1\times 7^1\times {\mathrm{349}}^1\times {\mathrm{1163}}^1$

素因数の和:1538

約数の個数: 128

約数和(自身を含む): 4986576000

約数和(自身を除く): 3168202240

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 56, 64, 70, 80, 112, 128, 140, 160, 224, 280, 320, 349, 448, 560, 640, 698, 896, 1120, 1163, 1396, 1745, 2240, 2326, 2443, 2792, 3490, 4480, 4652, 4886, 5584, 5815, 6980, 8141, 9304, 9772, 11168, 11630, 12215, 13960, 16282, 18608, 19544, 22336, 23260, 24430, 27920, 32564, 37216, 39088, 40705, 44672, 46520, 48860, 55840, 65128, 74432, 78176, 81410, 93040, 97720, 111680, 130256, 148864, 156352, 162820, 186080, 195440, 223360, 260512, 312704, 325640, 372160, 390880, 405887, 521024, 651280, 744320, 781760, 811774, 1042048, 1302560, 1563520, 1623548, 2029435, 2605120, 2841209, 3247096, 4058870, 5210240, 5682418, 6494192, 8117740, 11364836, 12988384, 14206045, 16235480, 22729672, 25976768, 28412090, 32470960, 45459344, 51953536, 56824180, 64941920, 90918688, 113648360, 129883840, 181837376, 227296720, 259767680, 363674752, 454593440, 909186880, 1818373760]

約数ペア:

[(1, 1818373760), (2, 909186880), (4, 454593440), (5, 363674752), (7, 259767680), (8, 227296720), (10, 181837376), (14, 129883840), (16, 113648360), (20, 90918688), (28, 64941920), (32, 56824180), (35, 51953536), (40, 45459344), (56, 32470960), (64, 28412090), (70, 25976768), (80, 22729672), (112, 16235480), (128, 14206045), (140, 12988384), (160, 11364836), (224, 8117740), (280, 6494192), (320, 5682418), (349, 5210240), (448, 4058870), (560, 3247096), (640, 2841209), (698, 2605120), (896, 2029435), (1120, 1623548), (1163, 1563520), (1396, 1302560), (1745, 1042048), (2240, 811774), (2326, 781760), (2443, 744320), (2792, 651280), (3490, 521024), (4480, 405887), (4652, 390880), (4886, 372160), (5584, 325640), (5815, 312704), (6980, 260512), (8141, 223360), (9304, 195440), (9772, 186080), (11168, 162820), (11630, 156352), (12215, 148864), (13960, 130256), (16282, 111680), (18608, 97720), (19544, 93040), (22336, 81410), (23260, 78176), (24430, 74432), (27920, 65128), (32564, 55840), (37216, 48860), (39088, 46520), (40705, 44672)]