1639776720

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{297061}}^1$

素因数の和:297100

約数の個数: 80

約数和(自身を含む): 5304339072

約数和(自身を除く): 3664562352

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 23, 24, 30, 40, 46, 48, 60, 69, 80, 92, 115, 120, 138, 184, 230, 240, 276, 345, 368, 460, 552, 690, 920, 1104, 1380, 1840, 2760, 5520, 297061, 594122, 891183, 1188244, 1485305, 1782366, 2376488, 2970610, 3564732, 4455915, 4752976, 5941220, 6832403, 7129464, 8911830, 11882440, 13664806, 14258928, 17823660, 20497209, 23764880, 27329612, 34162015, 35647320, 40994418, 54659224, 68324030, 71294640, 81988836, 102486045, 109318448, 136648060, 163977672, 204972090, 273296120, 327955344, 409944180, 546592240, 819888360, 1639776720]

約数ペア:

[(1, 1639776720), (2, 819888360), (3, 546592240), (4, 409944180), (5, 327955344), (6, 273296120), (8, 204972090), (10, 163977672), (12, 136648060), (15, 109318448), (16, 102486045), (20, 81988836), (23, 71294640), (24, 68324030), (30, 54659224), (40, 40994418), (46, 35647320), (48, 34162015), (60, 27329612), (69, 23764880), (80, 20497209), (92, 17823660), (115, 14258928), (120, 13664806), (138, 11882440), (184, 8911830), (230, 7129464), (240, 6832403), (276, 5941220), (345, 4752976), (368, 4455915), (460, 3564732), (552, 2970610), (690, 2376488), (920, 1782366), (1104, 1485305), (1380, 1188244), (1840, 891183), (2760, 594122), (5520, 297061)]