1991787120

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{120277}}^1$

素因数の和:120319

約数の個数: 120

約数和(自身を含む): 6979972896

約数和(自身を除く): 4988185776

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 23, 24, 30, 36, 40, 45, 46, 48, 60, 69, 72, 80, 90, 92, 115, 120, 138, 144, 180, 184, 207, 230, 240, 276, 345, 360, 368, 414, 460, 552, 690, 720, 828, 920, 1035, 1104, 1380, 1656, 1840, 2070, 2760, 3312, 4140, 5520, 8280, 16560, 120277, 240554, 360831, 481108, 601385, 721662, 962216, 1082493, 1202770, 1443324, 1804155, 1924432, 2164986, 2405540, 2766371, 2886648, 3608310, 4329972, 4811080, 5412465, 5532742, 5773296, 7216620, 8299113, 8659944, 9622160, 10824930, 11065484, 13831855, 14433240, 16598226, 17319888, 21649860, 22130968, 24897339, 27663710, 28866480, 33196452, 41495565, 43299720, 44261936, 49794678, 55327420, 66392904, 82991130, 86599440, 99589356, 110654840, 124486695, 132785808, 165982260, 199178712, 221309680, 248973390, 331964520, 398357424, 497946780, 663929040, 995893560, 1991787120]

約数ペア:

[(1, 1991787120), (2, 995893560), (3, 663929040), (4, 497946780), (5, 398357424), (6, 331964520), (8, 248973390), (9, 221309680), (10, 199178712), (12, 165982260), (15, 132785808), (16, 124486695), (18, 110654840), (20, 99589356), (23, 86599440), (24, 82991130), (30, 66392904), (36, 55327420), (40, 49794678), (45, 44261936), (46, 43299720), (48, 41495565), (60, 33196452), (69, 28866480), (72, 27663710), (80, 24897339), (90, 22130968), (92, 21649860), (115, 17319888), (120, 16598226), (138, 14433240), (144, 13831855), (180, 11065484), (184, 10824930), (207, 9622160), (230, 8659944), (240, 8299113), (276, 7216620), (345, 5773296), (360, 5532742), (368, 5412465), (414, 4811080), (460, 4329972), (552, 3608310), (690, 2886648), (720, 2766371), (828, 2405540), (920, 2164986), (1035, 1924432), (1104, 1804155), (1380, 1443324), (1656, 1202770), (1840, 1082493), (2070, 962216), (2760, 721662), (3312, 601385), (4140, 481108), (5520, 360831), (8280, 240554), (16560, 120277)]