81238560

素因数分解:

$2^5\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{47}}^1\times {\mathrm{277}}^1$

素因数の和:355

約数の個数: 192

約数和(自身を含む): 282465792

約数和(自身を除く): 201227232

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 13, 15, 16, 20, 24, 26, 30, 32, 39, 40, 47, 48, 52, 60, 65, 78, 80, 94, 96, 104, 120, 130, 141, 156, 160, 188, 195, 208, 235, 240, 260, 277, 282, 312, 376, 390, 416, 470, 480, 520, 554, 564, 611, 624, 705, 752, 780, 831, 940, 1040, 1108, 1128, 1222, 1248, 1385, 1410, 1504, 1560, 1662, 1833, 1880, 2080, 2216, 2256, 2444, 2770, 2820, 3055, 3120, 3324, 3601, 3666, 3760, 4155, 4432, 4512, 4888, 5540, 5640, 6110, 6240, 6648, 7202, 7332, 7520, 8310, 8864, 9165, 9776, 10803, 11080, 11280, 12220, 13019, 13296, 14404, 14664, 16620, 18005, 18330, 19552, 21606, 22160, 22560, 24440, 26038, 26592, 28808, 29328, 33240, 36010, 36660, 39057, 43212, 44320, 48880, 52076, 54015, 57616, 58656, 65095, 66480, 72020, 73320, 78114, 86424, 97760, 104152, 108030, 115232, 130190, 132960, 144040, 146640, 156228, 169247, 172848, 195285, 208304, 216060, 260380, 288080, 293280, 312456, 338494, 345696, 390570, 416608, 432120, 507741, 520760, 576160, 624912, 676988, 781140, 846235, 864240, 1015482, 1041520, 1249824, 1353976, 1562280, 1692470, 1728480, 2030964, 2083040, 2538705, 2707952, 3124560, 3384940, 4061928, 5077410, 5415904, 6249120, 6769880, 8123856, 10154820, 13539760, 16247712, 20309640, 27079520, 40619280, 81238560]

約数ペア:

[(1, 81238560), (2, 40619280), (3, 27079520), (4, 20309640), (5, 16247712), (6, 13539760), (8, 10154820), (10, 8123856), (12, 6769880), (13, 6249120), (15, 5415904), (16, 5077410), (20, 4061928), (24, 3384940), (26, 3124560), (30, 2707952), (32, 2538705), (39, 2083040), (40, 2030964), (47, 1728480), (48, 1692470), (52, 1562280), (60, 1353976), (65, 1249824), (78, 1041520), (80, 1015482), (94, 864240), (96, 846235), (104, 781140), (120, 676988), (130, 624912), (141, 576160), (156, 520760), (160, 507741), (188, 432120), (195, 416608), (208, 390570), (235, 345696), (240, 338494), (260, 312456), (277, 293280), (282, 288080), (312, 260380), (376, 216060), (390, 208304), (416, 195285), (470, 172848), (480, 169247), (520, 156228), (554, 146640), (564, 144040), (611, 132960), (624, 130190), (705, 115232), (752, 108030), (780, 104152), (831, 97760), (940, 86424), (1040, 78114), (1108, 73320), (1128, 72020), (1222, 66480), (1248, 65095), (1385, 58656), (1410, 57616), (1504, 54015), (1560, 52076), (1662, 48880), (1833, 44320), (1880, 43212), (2080, 39057), (2216, 36660), (2256, 36010), (2444, 33240), (2770, 29328), (2820, 28808), (3055, 26592), (3120, 26038), (3324, 24440), (3601, 22560), (3666, 22160), (3760, 21606), (4155, 19552), (4432, 18330), (4512, 18005), (4888, 16620), (5540, 14664), (5640, 14404), (6110, 13296), (6240, 13019), (6648, 12220), (7202, 11280), (7332, 11080), (7520, 10803), (8310, 9776), (8864, 9165)]