78613920

素因数分解:

$2^5\times 3^2\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{709}}^1$

素因数の和:748

約数の個数: 288

約数和(自身を含む): 334938240

約数和(自身を除く): 256324320

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 14, 15, 16, 18, 20, 21, 22, 24, 28, 30, 32, 33, 35, 36, 40, 42, 44, 45, 48, 55, 56, 60, 63, 66, 70, 72, 77, 80, 84, 88, 90, 96, 99, 105, 110, 112, 120, 126, 132, 140, 144, 154, 160, 165, 168, 176, 180, 198, 210, 220, 224, 231, 240, 252, 264, 280, 288, 308, 315, 330, 336, 352, 360, 385, 396, 420, 440, 462, 480, 495, 504, 528, 560, 616, 630, 660, 672, 693, 709, 720, 770, 792, 840, 880, 924, 990, 1008, 1056, 1120, 1155, 1232, 1260, 1320, 1386, 1418, 1440, 1540, 1584, 1680, 1760, 1848, 1980, 2016, 2127, 2310, 2464, 2520, 2640, 2772, 2836, 3080, 3168, 3360, 3465, 3545, 3696, 3960, 4254, 4620, 4963, 5040, 5280, 5544, 5672, 6160, 6381, 6930, 7090, 7392, 7799, 7920, 8508, 9240, 9926, 10080, 10635, 11088, 11344, 12320, 12762, 13860, 14180, 14889, 15598, 15840, 17016, 18480, 19852, 21270, 22176, 22688, 23397, 24815, 25524, 27720, 28360, 29778, 31196, 31905, 34032, 36960, 38995, 39704, 42540, 44667, 46794, 49630, 51048, 54593, 55440, 56720, 59556, 62392, 63810, 68064, 70191, 74445, 77990, 79408, 85080, 89334, 93588, 99260, 102096, 109186, 110880, 113440, 116985, 119112, 124784, 127620, 140382, 148890, 155980, 158816, 163779, 170160, 178668, 187176, 198520, 204192, 218372, 223335, 233970, 238224, 249568, 255240, 272965, 280764, 297780, 311960, 327558, 340320, 350955, 357336, 374352, 397040, 436744, 446670, 467940, 476448, 491337, 510480, 545930, 561528, 595560, 623920, 655116, 701910, 714672, 748704, 794080, 818895, 873488, 893340, 935880, 982674, 1020960, 1091860, 1123056, 1191120, 1247840, 1310232, 1403820, 1429344, 1637790, 1746976, 1786680, 1871760, 1965348, 2183720, 2246112, 2382240, 2456685, 2620464, 2807640, 3275580, 3573360, 3743520, 3930696, 4367440, 4913370, 5240928, 5615280, 6551160, 7146720, 7861392, 8734880, 9826740, 11230560, 13102320, 15722784, 19653480, 26204640, 39306960, 78613920]

約数ペア:

[(1, 78613920), (2, 39306960), (3, 26204640), (4, 19653480), (5, 15722784), (6, 13102320), (7, 11230560), (8, 9826740), (9, 8734880), (10, 7861392), (11, 7146720), (12, 6551160), (14, 5615280), (15, 5240928), (16, 4913370), (18, 4367440), (20, 3930696), (21, 3743520), (22, 3573360), (24, 3275580), (28, 2807640), (30, 2620464), (32, 2456685), (33, 2382240), (35, 2246112), (36, 2183720), (40, 1965348), (42, 1871760), (44, 1786680), (45, 1746976), (48, 1637790), (55, 1429344), (56, 1403820), (60, 1310232), (63, 1247840), (66, 1191120), (70, 1123056), (72, 1091860), (77, 1020960), (80, 982674), (84, 935880), (88, 893340), (90, 873488), (96, 818895), (99, 794080), (105, 748704), (110, 714672), (112, 701910), (120, 655116), (126, 623920), (132, 595560), (140, 561528), (144, 545930), (154, 510480), (160, 491337), (165, 476448), (168, 467940), (176, 446670), (180, 436744), (198, 397040), (210, 374352), (220, 357336), (224, 350955), (231, 340320), (240, 327558), (252, 311960), (264, 297780), (280, 280764), (288, 272965), (308, 255240), (315, 249568), (330, 238224), (336, 233970), (352, 223335), (360, 218372), (385, 204192), (396, 198520), (420, 187176), (440, 178668), (462, 170160), (480, 163779), (495, 158816), (504, 155980), (528, 148890), (560, 140382), (616, 127620), (630, 124784), (660, 119112), (672, 116985), (693, 113440), (709, 110880), (720, 109186), (770, 102096), (792, 99260), (840, 93588), (880, 89334), (924, 85080), (990, 79408), (1008, 77990), (1056, 74445), (1120, 70191), (1155, 68064), (1232, 63810), (1260, 62392), (1320, 59556), (1386, 56720), (1418, 55440), (1440, 54593), (1540, 51048), (1584, 49630), (1680, 46794), (1760, 44667), (1848, 42540), (1980, 39704), (2016, 38995), (2127, 36960), (2310, 34032), (2464, 31905), (2520, 31196), (2640, 29778), (2772, 28360), (2836, 27720), (3080, 25524), (3168, 24815), (3360, 23397), (3465, 22688), (3545, 22176), (3696, 21270), (3960, 19852), (4254, 18480), (4620, 17016), (4963, 15840), (5040, 15598), (5280, 14889), (5544, 14180), (5672, 13860), (6160, 12762), (6381, 12320), (6930, 11344), (7090, 11088), (7392, 10635), (7799, 10080), (7920, 9926), (8508, 9240)]