247967280

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{131}}^1\times {\mathrm{239}}^1$

素因数の和:400

約数の個数: 240

約数和(自身を含む): 919226880

約数和(自身を除く): 671259600

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 11, 12, 15, 16, 18, 20, 22, 24, 30, 33, 36, 40, 44, 45, 48, 55, 60, 66, 72, 80, 88, 90, 99, 110, 120, 131, 132, 144, 165, 176, 180, 198, 220, 239, 240, 262, 264, 330, 360, 393, 396, 440, 478, 495, 524, 528, 655, 660, 717, 720, 786, 792, 880, 956, 990, 1048, 1179, 1195, 1310, 1320, 1434, 1441, 1572, 1584, 1912, 1965, 1980, 2096, 2151, 2358, 2390, 2620, 2629, 2640, 2868, 2882, 3144, 3585, 3824, 3930, 3960, 4302, 4323, 4716, 4780, 5240, 5258, 5736, 5764, 5895, 6288, 7170, 7205, 7860, 7887, 7920, 8604, 8646, 9432, 9560, 10480, 10516, 10755, 11472, 11528, 11790, 12969, 13145, 14340, 14410, 15720, 15774, 17208, 17292, 18864, 19120, 21032, 21510, 21615, 23056, 23580, 23661, 25938, 26290, 28680, 28820, 31309, 31440, 31548, 34416, 34584, 39435, 42064, 43020, 43230, 47160, 47322, 51876, 52580, 57360, 57640, 62618, 63096, 64845, 69168, 78870, 86040, 86460, 93927, 94320, 94644, 103752, 105160, 115280, 118305, 125236, 126192, 129690, 156545, 157740, 172080, 172920, 187854, 189288, 207504, 210320, 236610, 250472, 259380, 281781, 313090, 315480, 344399, 345840, 375708, 378576, 469635, 473220, 500944, 518760, 563562, 626180, 630960, 688798, 751416, 939270, 946440, 1033197, 1037520, 1127124, 1252360, 1377596, 1408905, 1502832, 1721995, 1878540, 1892880, 2066394, 2254248, 2504720, 2755192, 2817810, 3099591, 3443990, 3757080, 4132788, 4508496, 5165985, 5510384, 5635620, 6199182, 6887980, 7514160, 8265576, 10331970, 11271240, 12398364, 13775960, 15497955, 16531152, 20663940, 22542480, 24796728, 27551920, 30995910, 41327880, 49593456, 61991820, 82655760, 123983640, 247967280]

約数ペア:

[(1, 247967280), (2, 123983640), (3, 82655760), (4, 61991820), (5, 49593456), (6, 41327880), (8, 30995910), (9, 27551920), (10, 24796728), (11, 22542480), (12, 20663940), (15, 16531152), (16, 15497955), (18, 13775960), (20, 12398364), (22, 11271240), (24, 10331970), (30, 8265576), (33, 7514160), (36, 6887980), (40, 6199182), (44, 5635620), (45, 5510384), (48, 5165985), (55, 4508496), (60, 4132788), (66, 3757080), (72, 3443990), (80, 3099591), (88, 2817810), (90, 2755192), (99, 2504720), (110, 2254248), (120, 2066394), (131, 1892880), (132, 1878540), (144, 1721995), (165, 1502832), (176, 1408905), (180, 1377596), (198, 1252360), (220, 1127124), (239, 1037520), (240, 1033197), (262, 946440), (264, 939270), (330, 751416), (360, 688798), (393, 630960), (396, 626180), (440, 563562), (478, 518760), (495, 500944), (524, 473220), (528, 469635), (655, 378576), (660, 375708), (717, 345840), (720, 344399), (786, 315480), (792, 313090), (880, 281781), (956, 259380), (990, 250472), (1048, 236610), (1179, 210320), (1195, 207504), (1310, 189288), (1320, 187854), (1434, 172920), (1441, 172080), (1572, 157740), (1584, 156545), (1912, 129690), (1965, 126192), (1980, 125236), (2096, 118305), (2151, 115280), (2358, 105160), (2390, 103752), (2620, 94644), (2629, 94320), (2640, 93927), (2868, 86460), (2882, 86040), (3144, 78870), (3585, 69168), (3824, 64845), (3930, 63096), (3960, 62618), (4302, 57640), (4323, 57360), (4716, 52580), (4780, 51876), (5240, 47322), (5258, 47160), (5736, 43230), (5764, 43020), (5895, 42064), (6288, 39435), (7170, 34584), (7205, 34416), (7860, 31548), (7887, 31440), (7920, 31309), (8604, 28820), (8646, 28680), (9432, 26290), (9560, 25938), (10480, 23661), (10516, 23580), (10755, 23056), (11472, 21615), (11528, 21510), (11790, 21032), (12969, 19120), (13145, 18864), (14340, 17292), (14410, 17208), (15720, 15774)]