248747520

素因数分解:

$2^9\times 3^1\times 5^1\times 7^2\times {\mathrm{661}}^1$

素因数の和:701

約数の個数: 240

約数和(自身を含む): 926445168

約数和(自身を除く): 677697648

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 20, 21, 24, 28, 30, 32, 35, 40, 42, 48, 49, 56, 60, 64, 70, 80, 84, 96, 98, 105, 112, 120, 128, 140, 147, 160, 168, 192, 196, 210, 224, 240, 245, 256, 280, 294, 320, 336, 384, 392, 420, 448, 480, 490, 512, 560, 588, 640, 661, 672, 735, 768, 784, 840, 896, 960, 980, 1120, 1176, 1280, 1322, 1344, 1470, 1536, 1568, 1680, 1792, 1920, 1960, 1983, 2240, 2352, 2560, 2644, 2688, 2940, 3136, 3305, 3360, 3584, 3840, 3920, 3966, 4480, 4627, 4704, 5288, 5376, 5880, 6272, 6610, 6720, 7680, 7840, 7932, 8960, 9254, 9408, 9915, 10576, 10752, 11760, 12544, 13220, 13440, 13881, 15680, 15864, 17920, 18508, 18816, 19830, 21152, 23135, 23520, 25088, 26440, 26880, 27762, 31360, 31728, 32389, 37016, 37632, 39660, 42304, 46270, 47040, 52880, 53760, 55524, 62720, 63456, 64778, 69405, 74032, 75264, 79320, 84608, 92540, 94080, 97167, 105760, 111048, 125440, 126912, 129556, 138810, 148064, 158640, 161945, 169216, 185080, 188160, 194334, 211520, 222096, 253824, 259112, 277620, 296128, 317280, 323890, 338432, 370160, 376320, 388668, 423040, 444192, 485835, 507648, 518224, 555240, 592256, 634560, 647780, 740320, 777336, 846080, 888384, 971670, 1015296, 1036448, 1110480, 1184512, 1269120, 1295560, 1480640, 1554672, 1692160, 1776768, 1943340, 2072896, 2220960, 2369024, 2538240, 2591120, 2961280, 3109344, 3553536, 3886680, 4145792, 4441920, 5076480, 5182240, 5922560, 6218688, 7107072, 7773360, 8291584, 8883840, 10364480, 11845120, 12437376, 15546720, 16583168, 17767680, 20728960, 24874752, 31093440, 35535360, 41457920, 49749504, 62186880, 82915840, 124373760, 248747520]

約数ペア:

[(1, 248747520), (2, 124373760), (3, 82915840), (4, 62186880), (5, 49749504), (6, 41457920), (7, 35535360), (8, 31093440), (10, 24874752), (12, 20728960), (14, 17767680), (15, 16583168), (16, 15546720), (20, 12437376), (21, 11845120), (24, 10364480), (28, 8883840), (30, 8291584), (32, 7773360), (35, 7107072), (40, 6218688), (42, 5922560), (48, 5182240), (49, 5076480), (56, 4441920), (60, 4145792), (64, 3886680), (70, 3553536), (80, 3109344), (84, 2961280), (96, 2591120), (98, 2538240), (105, 2369024), (112, 2220960), (120, 2072896), (128, 1943340), (140, 1776768), (147, 1692160), (160, 1554672), (168, 1480640), (192, 1295560), (196, 1269120), (210, 1184512), (224, 1110480), (240, 1036448), (245, 1015296), (256, 971670), (280, 888384), (294, 846080), (320, 777336), (336, 740320), (384, 647780), (392, 634560), (420, 592256), (448, 555240), (480, 518224), (490, 507648), (512, 485835), (560, 444192), (588, 423040), (640, 388668), (661, 376320), (672, 370160), (735, 338432), (768, 323890), (784, 317280), (840, 296128), (896, 277620), (960, 259112), (980, 253824), (1120, 222096), (1176, 211520), (1280, 194334), (1322, 188160), (1344, 185080), (1470, 169216), (1536, 161945), (1568, 158640), (1680, 148064), (1792, 138810), (1920, 129556), (1960, 126912), (1983, 125440), (2240, 111048), (2352, 105760), (2560, 97167), (2644, 94080), (2688, 92540), (2940, 84608), (3136, 79320), (3305, 75264), (3360, 74032), (3584, 69405), (3840, 64778), (3920, 63456), (3966, 62720), (4480, 55524), (4627, 53760), (4704, 52880), (5288, 47040), (5376, 46270), (5880, 42304), (6272, 39660), (6610, 37632), (6720, 37016), (7680, 32389), (7840, 31728), (7932, 31360), (8960, 27762), (9254, 26880), (9408, 26440), (9915, 25088), (10576, 23520), (10752, 23135), (11760, 21152), (12544, 19830), (13220, 18816), (13440, 18508), (13881, 17920), (15680, 15864)]