581738560

素因数分解:

$2^6\times 5^1\times {\mathrm{13}}^2\times {\mathrm{31}}^1\times {\mathrm{347}}^1$

素因数の和:421

約数の個数: 168

約数和(自身を含む): 1552870656

約数和(自身を除く): 971132096

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 31, 32, 40, 52, 62, 64, 65, 80, 104, 124, 130, 155, 160, 169, 208, 248, 260, 310, 320, 338, 347, 403, 416, 496, 520, 620, 676, 694, 806, 832, 845, 992, 1040, 1240, 1352, 1388, 1612, 1690, 1735, 1984, 2015, 2080, 2480, 2704, 2776, 3224, 3380, 3470, 4030, 4160, 4511, 4960, 5239, 5408, 5552, 6448, 6760, 6940, 8060, 9022, 9920, 10478, 10757, 10816, 11104, 12896, 13520, 13880, 16120, 18044, 20956, 21514, 22208, 22555, 25792, 26195, 27040, 27760, 32240, 36088, 41912, 43028, 45110, 52390, 53785, 54080, 55520, 58643, 64480, 72176, 83824, 86056, 90220, 104780, 107570, 111040, 117286, 128960, 139841, 144352, 167648, 172112, 180440, 209560, 215140, 234572, 279682, 288704, 293215, 335296, 344224, 360880, 419120, 430280, 469144, 559364, 586430, 688448, 699205, 721760, 838240, 860560, 938288, 1118728, 1172860, 1398410, 1443520, 1676480, 1721120, 1817933, 1876576, 2237456, 2345720, 2796820, 3442240, 3635866, 3753152, 4474912, 4691440, 5593640, 7271732, 8949824, 9089665, 9382880, 11187280, 14543464, 18179330, 18765760, 22374560, 29086928, 36358660, 44749120, 58173856, 72717320, 116347712, 145434640, 290869280, 581738560]

約数ペア:

[(1, 581738560), (2, 290869280), (4, 145434640), (5, 116347712), (8, 72717320), (10, 58173856), (13, 44749120), (16, 36358660), (20, 29086928), (26, 22374560), (31, 18765760), (32, 18179330), (40, 14543464), (52, 11187280), (62, 9382880), (64, 9089665), (65, 8949824), (80, 7271732), (104, 5593640), (124, 4691440), (130, 4474912), (155, 3753152), (160, 3635866), (169, 3442240), (208, 2796820), (248, 2345720), (260, 2237456), (310, 1876576), (320, 1817933), (338, 1721120), (347, 1676480), (403, 1443520), (416, 1398410), (496, 1172860), (520, 1118728), (620, 938288), (676, 860560), (694, 838240), (806, 721760), (832, 699205), (845, 688448), (992, 586430), (1040, 559364), (1240, 469144), (1352, 430280), (1388, 419120), (1612, 360880), (1690, 344224), (1735, 335296), (1984, 293215), (2015, 288704), (2080, 279682), (2480, 234572), (2704, 215140), (2776, 209560), (3224, 180440), (3380, 172112), (3470, 167648), (4030, 144352), (4160, 139841), (4511, 128960), (4960, 117286), (5239, 111040), (5408, 107570), (5552, 104780), (6448, 90220), (6760, 86056), (6940, 83824), (8060, 72176), (9022, 64480), (9920, 58643), (10478, 55520), (10757, 54080), (10816, 53785), (11104, 52390), (12896, 45110), (13520, 43028), (13880, 41912), (16120, 36088), (18044, 32240), (20956, 27760), (21514, 27040), (22208, 26195), (22555, 25792)]