1276279920

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{211}}^1\times {\mathrm{271}}^1$

素因数の和:532

約数の個数: 240

約数和(自身を含む): 4461809664

約数和(自身を除く): 3185529744

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 31, 36, 40, 45, 48, 60, 62, 72, 80, 90, 93, 120, 124, 144, 155, 180, 186, 211, 240, 248, 271, 279, 310, 360, 372, 422, 465, 496, 542, 558, 620, 633, 720, 744, 813, 844, 930, 1055, 1084, 1116, 1240, 1266, 1355, 1395, 1488, 1626, 1688, 1860, 1899, 2110, 2168, 2232, 2439, 2480, 2532, 2710, 2790, 3165, 3252, 3376, 3720, 3798, 4065, 4220, 4336, 4464, 4878, 5064, 5420, 5580, 6330, 6504, 6541, 7440, 7596, 8130, 8401, 8440, 9495, 9756, 10128, 10840, 11160, 12195, 12660, 13008, 13082, 15192, 16260, 16802, 16880, 18990, 19512, 19623, 21680, 22320, 24390, 25203, 25320, 26164, 30384, 32520, 32705, 33604, 37980, 39024, 39246, 42005, 48780, 50406, 50640, 52328, 57181, 58869, 65040, 65410, 67208, 75609, 75960, 78492, 84010, 97560, 98115, 100812, 104656, 114362, 117738, 126015, 130820, 134416, 151218, 151920, 156984, 168020, 171543, 195120, 196230, 201624, 228724, 235476, 252030, 261640, 285905, 294345, 302436, 313968, 336040, 343086, 378045, 392460, 403248, 457448, 470952, 504060, 514629, 523280, 571810, 588690, 604872, 672080, 686172, 756090, 784920, 857715, 914896, 941904, 1008120, 1029258, 1143620, 1177380, 1209744, 1372344, 1512180, 1569840, 1715430, 1772611, 2016240, 2058516, 2287240, 2354760, 2573145, 2744688, 3024360, 3430860, 3545222, 4117032, 4574480, 4709520, 5146290, 5317833, 6048720, 6861720, 7090444, 8234064, 8863055, 10292580, 10635666, 13723440, 14180888, 15953499, 17726110, 20585160, 21271332, 26589165, 28361776, 31906998, 35452220, 41170320, 42542664, 53178330, 63813996, 70904440, 79767495, 85085328, 106356660, 127627992, 141808880, 159534990, 212713320, 255255984, 319069980, 425426640, 638139960, 1276279920]

約数ペア:

[(1, 1276279920), (2, 638139960), (3, 425426640), (4, 319069980), (5, 255255984), (6, 212713320), (8, 159534990), (9, 141808880), (10, 127627992), (12, 106356660), (15, 85085328), (16, 79767495), (18, 70904440), (20, 63813996), (24, 53178330), (30, 42542664), (31, 41170320), (36, 35452220), (40, 31906998), (45, 28361776), (48, 26589165), (60, 21271332), (62, 20585160), (72, 17726110), (80, 15953499), (90, 14180888), (93, 13723440), (120, 10635666), (124, 10292580), (144, 8863055), (155, 8234064), (180, 7090444), (186, 6861720), (211, 6048720), (240, 5317833), (248, 5146290), (271, 4709520), (279, 4574480), (310, 4117032), (360, 3545222), (372, 3430860), (422, 3024360), (465, 2744688), (496, 2573145), (542, 2354760), (558, 2287240), (620, 2058516), (633, 2016240), (720, 1772611), (744, 1715430), (813, 1569840), (844, 1512180), (930, 1372344), (1055, 1209744), (1084, 1177380), (1116, 1143620), (1240, 1029258), (1266, 1008120), (1355, 941904), (1395, 914896), (1488, 857715), (1626, 784920), (1688, 756090), (1860, 686172), (1899, 672080), (2110, 604872), (2168, 588690), (2232, 571810), (2439, 523280), (2480, 514629), (2532, 504060), (2710, 470952), (2790, 457448), (3165, 403248), (3252, 392460), (3376, 378045), (3720, 343086), (3798, 336040), (4065, 313968), (4220, 302436), (4336, 294345), (4464, 285905), (4878, 261640), (5064, 252030), (5420, 235476), (5580, 228724), (6330, 201624), (6504, 196230), (6541, 195120), (7440, 171543), (7596, 168020), (8130, 156984), (8401, 151920), (8440, 151218), (9495, 134416), (9756, 130820), (10128, 126015), (10840, 117738), (11160, 114362), (12195, 104656), (12660, 100812), (13008, 98115), (13082, 97560), (15192, 84010), (16260, 78492), (16802, 75960), (16880, 75609), (18990, 67208), (19512, 65410), (19623, 65040), (21680, 58869), (22320, 57181), (24390, 52328), (25203, 50640), (25320, 50406), (26164, 48780), (30384, 42005), (32520, 39246), (32705, 39024), (33604, 37980)]