2820558120

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{109}}^1\times {\mathrm{191}}^1\times {\mathrm{1129}}^1$

素因数の和:1443

約数の個数: 128

約数和(自身を含む): 8591616000

約数和(自身を除く): 5771057880

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 109, 120, 191, 218, 327, 382, 436, 545, 573, 654, 764, 872, 955, 1090, 1129, 1146, 1308, 1528, 1635, 1910, 2180, 2258, 2292, 2616, 2865, 3270, 3387, 3820, 4360, 4516, 4584, 5645, 5730, 6540, 6774, 7640, 9032, 11290, 11460, 13080, 13548, 16935, 20819, 22580, 22920, 27096, 33870, 41638, 45160, 62457, 67740, 83276, 104095, 123061, 124914, 135480, 166552, 208190, 215639, 246122, 249828, 312285, 369183, 416380, 431278, 492244, 499656, 615305, 624570, 646917, 738366, 832760, 862556, 984488, 1078195, 1230610, 1249140, 1293834, 1476732, 1725112, 1845915, 2156390, 2461220, 2498280, 2587668, 2953464, 3234585, 3691830, 4312780, 4922440, 5175336, 6469170, 7383660, 8625560, 12938340, 14767320, 23504651, 25876680, 47009302, 70513953, 94018604, 117523255, 141027906, 188037208, 235046510, 282055812, 352569765, 470093020, 564111624, 705139530, 940186040, 1410279060, 2820558120]

約数ペア:

[(1, 2820558120), (2, 1410279060), (3, 940186040), (4, 705139530), (5, 564111624), (6, 470093020), (8, 352569765), (10, 282055812), (12, 235046510), (15, 188037208), (20, 141027906), (24, 117523255), (30, 94018604), (40, 70513953), (60, 47009302), (109, 25876680), (120, 23504651), (191, 14767320), (218, 12938340), (327, 8625560), (382, 7383660), (436, 6469170), (545, 5175336), (573, 4922440), (654, 4312780), (764, 3691830), (872, 3234585), (955, 2953464), (1090, 2587668), (1129, 2498280), (1146, 2461220), (1308, 2156390), (1528, 1845915), (1635, 1725112), (1910, 1476732), (2180, 1293834), (2258, 1249140), (2292, 1230610), (2616, 1078195), (2865, 984488), (3270, 862556), (3387, 832760), (3820, 738366), (4360, 646917), (4516, 624570), (4584, 615305), (5645, 499656), (5730, 492244), (6540, 431278), (6774, 416380), (7640, 369183), (9032, 312285), (11290, 249828), (11460, 246122), (13080, 215639), (13548, 208190), (16935, 166552), (20819, 135480), (22580, 124914), (22920, 123061), (27096, 104095), (33870, 83276), (41638, 67740), (45160, 62457)]