420560640

素因数分解:

$2^8\times 3^3\times 5^1\times {\mathrm{43}}^1\times {\mathrm{283}}^1$

素因数の和:356

約数の個数: 288

約数和(自身を含む): 1532509440

約数和(自身を除く): 1111948800

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 27, 30, 32, 36, 40, 43, 45, 48, 54, 60, 64, 72, 80, 86, 90, 96, 108, 120, 128, 129, 135, 144, 160, 172, 180, 192, 215, 216, 240, 256, 258, 270, 283, 288, 320, 344, 360, 384, 387, 430, 432, 480, 516, 540, 566, 576, 640, 645, 688, 720, 768, 774, 849, 860, 864, 960, 1032, 1080, 1132, 1152, 1161, 1280, 1290, 1376, 1415, 1440, 1548, 1698, 1720, 1728, 1920, 1935, 2064, 2160, 2264, 2304, 2322, 2547, 2580, 2752, 2830, 2880, 3096, 3396, 3440, 3456, 3840, 3870, 4128, 4245, 4320, 4528, 4644, 5094, 5160, 5504, 5660, 5760, 5805, 6192, 6792, 6880, 6912, 7641, 7740, 8256, 8490, 8640, 9056, 9288, 10188, 10320, 11008, 11320, 11520, 11610, 12169, 12384, 12735, 13584, 13760, 15282, 15480, 16512, 16980, 17280, 18112, 18576, 20376, 20640, 22640, 23220, 24338, 24768, 25470, 27168, 27520, 30564, 30960, 33024, 33960, 34560, 36224, 36507, 37152, 38205, 40752, 41280, 45280, 46440, 48676, 49536, 50940, 54336, 55040, 60845, 61128, 61920, 67920, 72448, 73014, 74304, 76410, 81504, 82560, 90560, 92880, 97352, 99072, 101880, 108672, 109521, 121690, 122256, 123840, 135840, 146028, 148608, 152820, 163008, 165120, 181120, 182535, 185760, 194704, 203760, 217344, 219042, 243380, 244512, 247680, 271680, 292056, 297216, 305640, 326016, 328563, 362240, 365070, 371520, 389408, 407520, 438084, 486760, 489024, 495360, 543360, 547605, 584112, 611280, 652032, 657126, 730140, 743040, 778816, 815040, 876168, 973520, 978048, 1086720, 1095210, 1168224, 1222560, 1314252, 1460280, 1486080, 1557632, 1630080, 1642815, 1752336, 1947040, 1956096, 2190420, 2336448, 2445120, 2628504, 2920560, 3115264, 3260160, 3285630, 3504672, 3894080, 4380840, 4672896, 4890240, 5257008, 5841120, 6571260, 7009344, 7788160, 8761680, 9345792, 9780480, 10514016, 11682240, 13142520, 14018688, 15576320, 17523360, 21028032, 23364480, 26285040, 28037376, 35046720, 42056064, 46728960, 52570080, 70093440, 84112128, 105140160, 140186880, 210280320, 420560640]

約数ペア:

[(1, 420560640), (2, 210280320), (3, 140186880), (4, 105140160), (5, 84112128), (6, 70093440), (8, 52570080), (9, 46728960), (10, 42056064), (12, 35046720), (15, 28037376), (16, 26285040), (18, 23364480), (20, 21028032), (24, 17523360), (27, 15576320), (30, 14018688), (32, 13142520), (36, 11682240), (40, 10514016), (43, 9780480), (45, 9345792), (48, 8761680), (54, 7788160), (60, 7009344), (64, 6571260), (72, 5841120), (80, 5257008), (86, 4890240), (90, 4672896), (96, 4380840), (108, 3894080), (120, 3504672), (128, 3285630), (129, 3260160), (135, 3115264), (144, 2920560), (160, 2628504), (172, 2445120), (180, 2336448), (192, 2190420), (215, 1956096), (216, 1947040), (240, 1752336), (256, 1642815), (258, 1630080), (270, 1557632), (283, 1486080), (288, 1460280), (320, 1314252), (344, 1222560), (360, 1168224), (384, 1095210), (387, 1086720), (430, 978048), (432, 973520), (480, 876168), (516, 815040), (540, 778816), (566, 743040), (576, 730140), (640, 657126), (645, 652032), (688, 611280), (720, 584112), (768, 547605), (774, 543360), (849, 495360), (860, 489024), (864, 486760), (960, 438084), (1032, 407520), (1080, 389408), (1132, 371520), (1152, 365070), (1161, 362240), (1280, 328563), (1290, 326016), (1376, 305640), (1415, 297216), (1440, 292056), (1548, 271680), (1698, 247680), (1720, 244512), (1728, 243380), (1920, 219042), (1935, 217344), (2064, 203760), (2160, 194704), (2264, 185760), (2304, 182535), (2322, 181120), (2547, 165120), (2580, 163008), (2752, 152820), (2830, 148608), (2880, 146028), (3096, 135840), (3396, 123840), (3440, 122256), (3456, 121690), (3840, 109521), (3870, 108672), (4128, 101880), (4245, 99072), (4320, 97352), (4528, 92880), (4644, 90560), (5094, 82560), (5160, 81504), (5504, 76410), (5660, 74304), (5760, 73014), (5805, 72448), (6192, 67920), (6792, 61920), (6880, 61128), (6912, 60845), (7641, 55040), (7740, 54336), (8256, 50940), (8490, 49536), (8640, 48676), (9056, 46440), (9288, 45280), (10188, 41280), (10320, 40752), (11008, 38205), (11320, 37152), (11520, 36507), (11610, 36224), (12169, 34560), (12384, 33960), (12735, 33024), (13584, 30960), (13760, 30564), (15282, 27520), (15480, 27168), (16512, 25470), (16980, 24768), (17280, 24338), (18112, 23220), (18576, 22640), (20376, 20640)]