128772900

素因数分解:

$2^2\times 3^2\times 5^2\times {\mathrm{199}}^1\times {\mathrm{719}}^1$

素因数の和:938

約数の個数: 108

約数和(自身を含む): 406224000

約数和(自身を除く): 277451100

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 25, 30, 36, 45, 50, 60, 75, 90, 100, 150, 180, 199, 225, 300, 398, 450, 597, 719, 796, 900, 995, 1194, 1438, 1791, 1990, 2157, 2388, 2876, 2985, 3582, 3595, 3980, 4314, 4975, 5970, 6471, 7164, 7190, 8628, 8955, 9950, 10785, 11940, 12942, 14380, 14925, 17910, 17975, 19900, 21570, 25884, 29850, 32355, 35820, 35950, 43140, 44775, 53925, 59700, 64710, 71900, 89550, 107850, 129420, 143081, 161775, 179100, 215700, 286162, 323550, 429243, 572324, 647100, 715405, 858486, 1287729, 1430810, 1716972, 2146215, 2575458, 2861620, 3577025, 4292430, 5150916, 6438645, 7154050, 8584860, 10731075, 12877290, 14308100, 21462150, 25754580, 32193225, 42924300, 64386450, 128772900]

約数ペア:

[(1, 128772900), (2, 64386450), (3, 42924300), (4, 32193225), (5, 25754580), (6, 21462150), (9, 14308100), (10, 12877290), (12, 10731075), (15, 8584860), (18, 7154050), (20, 6438645), (25, 5150916), (30, 4292430), (36, 3577025), (45, 2861620), (50, 2575458), (60, 2146215), (75, 1716972), (90, 1430810), (100, 1287729), (150, 858486), (180, 715405), (199, 647100), (225, 572324), (300, 429243), (398, 323550), (450, 286162), (597, 215700), (719, 179100), (796, 161775), (900, 143081), (995, 129420), (1194, 107850), (1438, 89550), (1791, 71900), (1990, 64710), (2157, 59700), (2388, 53925), (2876, 44775), (2985, 43140), (3582, 35950), (3595, 35820), (3980, 32355), (4314, 29850), (4975, 25884), (5970, 21570), (6471, 19900), (7164, 17975), (7190, 17910), (8628, 14925), (8955, 14380), (9950, 12942), (10785, 11940)]