346805680

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^2\times {\mathrm{347}}^1$

素因数の和:435

約数の個数: 120

約数和(自身を含む): 899848656

約数和(自身を除く): 553042976

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 31, 40, 52, 62, 65, 80, 104, 124, 130, 155, 208, 248, 260, 310, 347, 403, 496, 520, 620, 694, 806, 961, 1040, 1240, 1388, 1612, 1735, 1922, 2015, 2480, 2776, 3224, 3470, 3844, 4030, 4511, 4805, 5552, 6448, 6940, 7688, 8060, 9022, 9610, 10757, 12493, 13880, 15376, 16120, 18044, 19220, 21514, 22555, 24986, 27760, 32240, 36088, 38440, 43028, 45110, 49972, 53785, 62465, 72176, 76880, 86056, 90220, 99944, 107570, 124930, 139841, 172112, 180440, 199888, 215140, 249860, 279682, 333467, 360880, 430280, 499720, 559364, 666934, 699205, 860560, 999440, 1118728, 1333868, 1398410, 1667335, 2237456, 2667736, 2796820, 3334670, 4335071, 5335472, 5593640, 6669340, 8670142, 11187280, 13338680, 17340284, 21675355, 26677360, 34680568, 43350710, 69361136, 86701420, 173402840, 346805680]

約数ペア:

[(1, 346805680), (2, 173402840), (4, 86701420), (5, 69361136), (8, 43350710), (10, 34680568), (13, 26677360), (16, 21675355), (20, 17340284), (26, 13338680), (31, 11187280), (40, 8670142), (52, 6669340), (62, 5593640), (65, 5335472), (80, 4335071), (104, 3334670), (124, 2796820), (130, 2667736), (155, 2237456), (208, 1667335), (248, 1398410), (260, 1333868), (310, 1118728), (347, 999440), (403, 860560), (496, 699205), (520, 666934), (620, 559364), (694, 499720), (806, 430280), (961, 360880), (1040, 333467), (1240, 279682), (1388, 249860), (1612, 215140), (1735, 199888), (1922, 180440), (2015, 172112), (2480, 139841), (2776, 124930), (3224, 107570), (3470, 99944), (3844, 90220), (4030, 86056), (4511, 76880), (4805, 72176), (5552, 62465), (6448, 53785), (6940, 49972), (7688, 45110), (8060, 43028), (9022, 38440), (9610, 36088), (10757, 32240), (12493, 27760), (13880, 24986), (15376, 22555), (16120, 21514), (18044, 19220)]