8001240

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{223}}^1$

素因数の和:273

約数の個数: 128

約数和(自身を含む): 27095040

約数和(自身を除く): 19093800

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 13, 15, 20, 23, 24, 26, 30, 39, 40, 46, 52, 60, 65, 69, 78, 92, 104, 115, 120, 130, 138, 156, 184, 195, 223, 230, 260, 276, 299, 312, 345, 390, 446, 460, 520, 552, 598, 669, 690, 780, 892, 897, 920, 1115, 1196, 1338, 1380, 1495, 1560, 1784, 1794, 2230, 2392, 2676, 2760, 2899, 2990, 3345, 3588, 4460, 4485, 5129, 5352, 5798, 5980, 6690, 7176, 8697, 8920, 8970, 10258, 11596, 11960, 13380, 14495, 15387, 17394, 17940, 20516, 23192, 25645, 26760, 28990, 30774, 34788, 35880, 41032, 43485, 51290, 57980, 61548, 66677, 69576, 76935, 86970, 102580, 115960, 123096, 133354, 153870, 173940, 200031, 205160, 266708, 307740, 333385, 347880, 400062, 533416, 615480, 666770, 800124, 1000155, 1333540, 1600248, 2000310, 2667080, 4000620, 8001240]

約数ペア:

[(1, 8001240), (2, 4000620), (3, 2667080), (4, 2000310), (5, 1600248), (6, 1333540), (8, 1000155), (10, 800124), (12, 666770), (13, 615480), (15, 533416), (20, 400062), (23, 347880), (24, 333385), (26, 307740), (30, 266708), (39, 205160), (40, 200031), (46, 173940), (52, 153870), (60, 133354), (65, 123096), (69, 115960), (78, 102580), (92, 86970), (104, 76935), (115, 69576), (120, 66677), (130, 61548), (138, 57980), (156, 51290), (184, 43485), (195, 41032), (223, 35880), (230, 34788), (260, 30774), (276, 28990), (299, 26760), (312, 25645), (345, 23192), (390, 20516), (446, 17940), (460, 17394), (520, 15387), (552, 14495), (598, 13380), (669, 11960), (690, 11596), (780, 10258), (892, 8970), (897, 8920), (920, 8697), (1115, 7176), (1196, 6690), (1338, 5980), (1380, 5798), (1495, 5352), (1560, 5129), (1784, 4485), (1794, 4460), (2230, 3588), (2392, 3345), (2676, 2990), (2760, 2899)]