2761840

素因数分解:

$2^4\times 5^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{79}}^1$

素因数の和:134

約数の個数: 80

約数和(自身を含む): 7142400

約数和(自身を除く): 4380560

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 23, 38, 40, 46, 76, 79, 80, 92, 95, 115, 152, 158, 184, 190, 230, 304, 316, 368, 380, 395, 437, 460, 632, 760, 790, 874, 920, 1264, 1501, 1520, 1580, 1748, 1817, 1840, 2185, 3002, 3160, 3496, 3634, 4370, 6004, 6320, 6992, 7268, 7505, 8740, 9085, 12008, 14536, 15010, 17480, 18170, 24016, 29072, 30020, 34523, 34960, 36340, 60040, 69046, 72680, 120080, 138092, 145360, 172615, 276184, 345230, 552368, 690460, 1380920, 2761840]

約数ペア:

[(1, 2761840), (2, 1380920), (4, 690460), (5, 552368), (8, 345230), (10, 276184), (16, 172615), (19, 145360), (20, 138092), (23, 120080), (38, 72680), (40, 69046), (46, 60040), (76, 36340), (79, 34960), (80, 34523), (92, 30020), (95, 29072), (115, 24016), (152, 18170), (158, 17480), (184, 15010), (190, 14536), (230, 12008), (304, 9085), (316, 8740), (368, 7505), (380, 7268), (395, 6992), (437, 6320), (460, 6004), (632, 4370), (760, 3634), (790, 3496), (874, 3160), (920, 3002), (1264, 2185), (1501, 1840), (1520, 1817), (1580, 1748)]