280373760

素因数分解:

$2^9\times 3^2\times 5^1\times {\mathrm{43}}^1\times {\mathrm{283}}^1$

素因数の和:355

約数の個数: 240

約数和(自身を含む): 997105824

約数和(自身を除く): 716732064

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 32, 36, 40, 43, 45, 48, 60, 64, 72, 80, 86, 90, 96, 120, 128, 129, 144, 160, 172, 180, 192, 215, 240, 256, 258, 283, 288, 320, 344, 360, 384, 387, 430, 480, 512, 516, 566, 576, 640, 645, 688, 720, 768, 774, 849, 860, 960, 1032, 1132, 1152, 1280, 1290, 1376, 1415, 1440, 1536, 1548, 1698, 1720, 1920, 1935, 2064, 2264, 2304, 2547, 2560, 2580, 2752, 2830, 2880, 3096, 3396, 3440, 3840, 3870, 4128, 4245, 4528, 4608, 5094, 5160, 5504, 5660, 5760, 6192, 6792, 6880, 7680, 7740, 8256, 8490, 9056, 10188, 10320, 11008, 11320, 11520, 12169, 12384, 12735, 13584, 13760, 15480, 16512, 16980, 18112, 20376, 20640, 22016, 22640, 23040, 24338, 24768, 25470, 27168, 27520, 30960, 33024, 33960, 36224, 36507, 40752, 41280, 45280, 48676, 49536, 50940, 54336, 55040, 60845, 61920, 66048, 67920, 72448, 73014, 81504, 82560, 90560, 97352, 99072, 101880, 108672, 109521, 110080, 121690, 123840, 135840, 144896, 146028, 163008, 165120, 181120, 182535, 194704, 198144, 203760, 217344, 219042, 243380, 247680, 271680, 292056, 326016, 330240, 362240, 365070, 389408, 407520, 434688, 438084, 486760, 495360, 543360, 547605, 584112, 652032, 724480, 730140, 778816, 815040, 876168, 973520, 990720, 1086720, 1095210, 1168224, 1304064, 1460280, 1557632, 1630080, 1752336, 1947040, 2173440, 2190420, 2336448, 2920560, 3115264, 3260160, 3504672, 3894080, 4380840, 4672896, 5841120, 6230528, 6520320, 7009344, 7788160, 8761680, 9345792, 11682240, 14018688, 15576320, 17523360, 18691584, 23364480, 28037376, 31152640, 35046720, 46728960, 56074752, 70093440, 93457920, 140186880, 280373760]

約数ペア:

[(1, 280373760), (2, 140186880), (3, 93457920), (4, 70093440), (5, 56074752), (6, 46728960), (8, 35046720), (9, 31152640), (10, 28037376), (12, 23364480), (15, 18691584), (16, 17523360), (18, 15576320), (20, 14018688), (24, 11682240), (30, 9345792), (32, 8761680), (36, 7788160), (40, 7009344), (43, 6520320), (45, 6230528), (48, 5841120), (60, 4672896), (64, 4380840), (72, 3894080), (80, 3504672), (86, 3260160), (90, 3115264), (96, 2920560), (120, 2336448), (128, 2190420), (129, 2173440), (144, 1947040), (160, 1752336), (172, 1630080), (180, 1557632), (192, 1460280), (215, 1304064), (240, 1168224), (256, 1095210), (258, 1086720), (283, 990720), (288, 973520), (320, 876168), (344, 815040), (360, 778816), (384, 730140), (387, 724480), (430, 652032), (480, 584112), (512, 547605), (516, 543360), (566, 495360), (576, 486760), (640, 438084), (645, 434688), (688, 407520), (720, 389408), (768, 365070), (774, 362240), (849, 330240), (860, 326016), (960, 292056), (1032, 271680), (1132, 247680), (1152, 243380), (1280, 219042), (1290, 217344), (1376, 203760), (1415, 198144), (1440, 194704), (1536, 182535), (1548, 181120), (1698, 165120), (1720, 163008), (1920, 146028), (1935, 144896), (2064, 135840), (2264, 123840), (2304, 121690), (2547, 110080), (2560, 109521), (2580, 108672), (2752, 101880), (2830, 99072), (2880, 97352), (3096, 90560), (3396, 82560), (3440, 81504), (3840, 73014), (3870, 72448), (4128, 67920), (4245, 66048), (4528, 61920), (4608, 60845), (5094, 55040), (5160, 54336), (5504, 50940), (5660, 49536), (5760, 48676), (6192, 45280), (6792, 41280), (6880, 40752), (7680, 36507), (7740, 36224), (8256, 33960), (8490, 33024), (9056, 30960), (10188, 27520), (10320, 27168), (11008, 25470), (11320, 24768), (11520, 24338), (12169, 23040), (12384, 22640), (12735, 22016), (13584, 20640), (13760, 20376), (15480, 18112), (16512, 16980)]