278731440

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{97}}^1\times {\mathrm{307}}^1$

素因数の和:436

約数の個数: 240

約数和(自身を含む): 1021788768

約数和(自身を除く): 743057328

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 13, 15, 16, 18, 20, 24, 26, 30, 36, 39, 40, 45, 48, 52, 60, 65, 72, 78, 80, 90, 97, 104, 117, 120, 130, 144, 156, 180, 194, 195, 208, 234, 240, 260, 291, 307, 312, 360, 388, 390, 468, 485, 520, 582, 585, 614, 624, 720, 776, 780, 873, 921, 936, 970, 1040, 1164, 1170, 1228, 1261, 1455, 1535, 1552, 1560, 1746, 1842, 1872, 1940, 2328, 2340, 2456, 2522, 2763, 2910, 3070, 3120, 3492, 3684, 3783, 3880, 3991, 4365, 4605, 4656, 4680, 4912, 5044, 5526, 5820, 6140, 6305, 6984, 7368, 7566, 7760, 7982, 8730, 9210, 9360, 10088, 11052, 11349, 11640, 11973, 12280, 12610, 13815, 13968, 14736, 15132, 15964, 17460, 18420, 18915, 19955, 20176, 22104, 22698, 23280, 23946, 24560, 25220, 27630, 29779, 30264, 31928, 34920, 35919, 36840, 37830, 39910, 44208, 45396, 47892, 50440, 55260, 56745, 59558, 59865, 60528, 63856, 69840, 71838, 73680, 75660, 79820, 89337, 90792, 95784, 100880, 110520, 113490, 119116, 119730, 143676, 148895, 151320, 159640, 178674, 179595, 181584, 191568, 221040, 226980, 238232, 239460, 268011, 287352, 297790, 302640, 319280, 357348, 359190, 387127, 446685, 453960, 476464, 478920, 536022, 574704, 595580, 714696, 718380, 774254, 893370, 907920, 957840, 1072044, 1161381, 1191160, 1340055, 1429392, 1436760, 1548508, 1786740, 1935635, 2144088, 2322762, 2382320, 2680110, 2873520, 3097016, 3484143, 3573480, 3871270, 4288176, 4645524, 5360220, 5806905, 6194032, 6968286, 7146960, 7742540, 9291048, 10720440, 11613810, 13936572, 15485080, 17420715, 18582096, 21440880, 23227620, 27873144, 30970160, 34841430, 46455240, 55746288, 69682860, 92910480, 139365720, 278731440]

約数ペア:

[(1, 278731440), (2, 139365720), (3, 92910480), (4, 69682860), (5, 55746288), (6, 46455240), (8, 34841430), (9, 30970160), (10, 27873144), (12, 23227620), (13, 21440880), (15, 18582096), (16, 17420715), (18, 15485080), (20, 13936572), (24, 11613810), (26, 10720440), (30, 9291048), (36, 7742540), (39, 7146960), (40, 6968286), (45, 6194032), (48, 5806905), (52, 5360220), (60, 4645524), (65, 4288176), (72, 3871270), (78, 3573480), (80, 3484143), (90, 3097016), (97, 2873520), (104, 2680110), (117, 2382320), (120, 2322762), (130, 2144088), (144, 1935635), (156, 1786740), (180, 1548508), (194, 1436760), (195, 1429392), (208, 1340055), (234, 1191160), (240, 1161381), (260, 1072044), (291, 957840), (307, 907920), (312, 893370), (360, 774254), (388, 718380), (390, 714696), (468, 595580), (485, 574704), (520, 536022), (582, 478920), (585, 476464), (614, 453960), (624, 446685), (720, 387127), (776, 359190), (780, 357348), (873, 319280), (921, 302640), (936, 297790), (970, 287352), (1040, 268011), (1164, 239460), (1170, 238232), (1228, 226980), (1261, 221040), (1455, 191568), (1535, 181584), (1552, 179595), (1560, 178674), (1746, 159640), (1842, 151320), (1872, 148895), (1940, 143676), (2328, 119730), (2340, 119116), (2456, 113490), (2522, 110520), (2763, 100880), (2910, 95784), (3070, 90792), (3120, 89337), (3492, 79820), (3684, 75660), (3783, 73680), (3880, 71838), (3991, 69840), (4365, 63856), (4605, 60528), (4656, 59865), (4680, 59558), (4912, 56745), (5044, 55260), (5526, 50440), (5820, 47892), (6140, 45396), (6305, 44208), (6984, 39910), (7368, 37830), (7566, 36840), (7760, 35919), (7982, 34920), (8730, 31928), (9210, 30264), (9360, 29779), (10088, 27630), (11052, 25220), (11349, 24560), (11640, 23946), (11973, 23280), (12280, 22698), (12610, 22104), (13815, 20176), (13968, 19955), (14736, 18915), (15132, 18420), (15964, 17460)]