80555280

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{25819}}^1$

素因数の和:25848

約数の個数: 80

約数和(自身を含む): 268941120

約数和(自身を除く): 188385840

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 13, 15, 16, 20, 24, 26, 30, 39, 40, 48, 52, 60, 65, 78, 80, 104, 120, 130, 156, 195, 208, 240, 260, 312, 390, 520, 624, 780, 1040, 1560, 3120, 25819, 51638, 77457, 103276, 129095, 154914, 206552, 258190, 309828, 335647, 387285, 413104, 516380, 619656, 671294, 774570, 1006941, 1032760, 1239312, 1342588, 1549140, 1678235, 2013882, 2065520, 2685176, 3098280, 3356470, 4027764, 5034705, 5370352, 6196560, 6712940, 8055528, 10069410, 13425880, 16111056, 20138820, 26851760, 40277640, 80555280]

約数ペア:

[(1, 80555280), (2, 40277640), (3, 26851760), (4, 20138820), (5, 16111056), (6, 13425880), (8, 10069410), (10, 8055528), (12, 6712940), (13, 6196560), (15, 5370352), (16, 5034705), (20, 4027764), (24, 3356470), (26, 3098280), (30, 2685176), (39, 2065520), (40, 2013882), (48, 1678235), (52, 1549140), (60, 1342588), (65, 1239312), (78, 1032760), (80, 1006941), (104, 774570), (120, 671294), (130, 619656), (156, 516380), (195, 413104), (208, 387285), (240, 335647), (260, 309828), (312, 258190), (390, 206552), (520, 154914), (624, 129095), (780, 103276), (1040, 77457), (1560, 51638), (3120, 25819)]