128328480

素因数分解:

$2^5\times 3^2\times 5^1\times 7^1\times {\mathrm{29}}^1\times {\mathrm{439}}^1$

素因数の和:496

約数の個数: 288

約数和(自身を含む): 518918400

約数和(自身を除く): 390589920

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 16, 18, 20, 21, 24, 28, 29, 30, 32, 35, 36, 40, 42, 45, 48, 56, 58, 60, 63, 70, 72, 80, 84, 87, 90, 96, 105, 112, 116, 120, 126, 140, 144, 145, 160, 168, 174, 180, 203, 210, 224, 232, 240, 252, 261, 280, 288, 290, 315, 336, 348, 360, 406, 420, 435, 439, 464, 480, 504, 522, 560, 580, 609, 630, 672, 696, 720, 812, 840, 870, 878, 928, 1008, 1015, 1044, 1120, 1160, 1218, 1260, 1305, 1317, 1392, 1440, 1624, 1680, 1740, 1756, 1827, 2016, 2030, 2088, 2195, 2320, 2436, 2520, 2610, 2634, 2784, 3045, 3073, 3248, 3360, 3480, 3512, 3654, 3951, 4060, 4176, 4390, 4640, 4872, 5040, 5220, 5268, 6090, 6146, 6496, 6585, 6960, 7024, 7308, 7902, 8120, 8352, 8780, 9135, 9219, 9744, 10080, 10440, 10536, 12180, 12292, 12731, 13170, 13920, 14048, 14616, 15365, 15804, 16240, 17560, 18270, 18438, 19488, 19755, 20880, 21072, 24360, 24584, 25462, 26340, 27657, 29232, 30730, 31608, 32480, 35120, 36540, 36876, 38193, 39510, 41760, 42144, 46095, 48720, 49168, 50924, 52680, 55314, 58464, 61460, 63216, 63655, 70240, 73080, 73752, 76386, 79020, 89117, 92190, 97440, 98336, 101848, 105360, 110628, 114579, 122920, 126432, 127310, 138285, 146160, 147504, 152772, 158040, 178234, 184380, 190965, 203696, 210720, 221256, 229158, 245840, 254620, 267351, 276570, 292320, 295008, 305544, 316080, 356468, 368760, 381930, 407392, 442512, 445585, 458316, 491680, 509240, 534702, 553140, 572895, 611088, 632160, 712936, 737520, 763860, 802053, 885024, 891170, 916632, 1018480, 1069404, 1106280, 1145790, 1222176, 1336755, 1425872, 1475040, 1527720, 1604106, 1782340, 1833264, 2036960, 2138808, 2212560, 2291580, 2673510, 2851744, 3055440, 3208212, 3564680, 3666528, 4010265, 4277616, 4425120, 4583160, 5347020, 6110880, 6416424, 7129360, 8020530, 8555232, 9166320, 10694040, 12832848, 14258720, 16041060, 18332640, 21388080, 25665696, 32082120, 42776160, 64164240, 128328480]

約数ペア:

[(1, 128328480), (2, 64164240), (3, 42776160), (4, 32082120), (5, 25665696), (6, 21388080), (7, 18332640), (8, 16041060), (9, 14258720), (10, 12832848), (12, 10694040), (14, 9166320), (15, 8555232), (16, 8020530), (18, 7129360), (20, 6416424), (21, 6110880), (24, 5347020), (28, 4583160), (29, 4425120), (30, 4277616), (32, 4010265), (35, 3666528), (36, 3564680), (40, 3208212), (42, 3055440), (45, 2851744), (48, 2673510), (56, 2291580), (58, 2212560), (60, 2138808), (63, 2036960), (70, 1833264), (72, 1782340), (80, 1604106), (84, 1527720), (87, 1475040), (90, 1425872), (96, 1336755), (105, 1222176), (112, 1145790), (116, 1106280), (120, 1069404), (126, 1018480), (140, 916632), (144, 891170), (145, 885024), (160, 802053), (168, 763860), (174, 737520), (180, 712936), (203, 632160), (210, 611088), (224, 572895), (232, 553140), (240, 534702), (252, 509240), (261, 491680), (280, 458316), (288, 445585), (290, 442512), (315, 407392), (336, 381930), (348, 368760), (360, 356468), (406, 316080), (420, 305544), (435, 295008), (439, 292320), (464, 276570), (480, 267351), (504, 254620), (522, 245840), (560, 229158), (580, 221256), (609, 210720), (630, 203696), (672, 190965), (696, 184380), (720, 178234), (812, 158040), (840, 152772), (870, 147504), (878, 146160), (928, 138285), (1008, 127310), (1015, 126432), (1044, 122920), (1120, 114579), (1160, 110628), (1218, 105360), (1260, 101848), (1305, 98336), (1317, 97440), (1392, 92190), (1440, 89117), (1624, 79020), (1680, 76386), (1740, 73752), (1756, 73080), (1827, 70240), (2016, 63655), (2030, 63216), (2088, 61460), (2195, 58464), (2320, 55314), (2436, 52680), (2520, 50924), (2610, 49168), (2634, 48720), (2784, 46095), (3045, 42144), (3073, 41760), (3248, 39510), (3360, 38193), (3480, 36876), (3512, 36540), (3654, 35120), (3951, 32480), (4060, 31608), (4176, 30730), (4390, 29232), (4640, 27657), (4872, 26340), (5040, 25462), (5220, 24584), (5268, 24360), (6090, 21072), (6146, 20880), (6496, 19755), (6585, 19488), (6960, 18438), (7024, 18270), (7308, 17560), (7902, 16240), (8120, 15804), (8352, 15365), (8780, 14616), (9135, 14048), (9219, 13920), (9744, 13170), (10080, 12731), (10440, 12292), (10536, 12180)]