281552640

素因数分解:

$2^8\times 3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{227}}^1$

素因数の和:287

約数の個数: 288

約数和(自身を含む): 1006629120

約数和(自身を除く): 725076480

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 17, 19, 20, 24, 30, 32, 34, 38, 40, 48, 51, 57, 60, 64, 68, 76, 80, 85, 95, 96, 102, 114, 120, 128, 136, 152, 160, 170, 190, 192, 204, 227, 228, 240, 255, 256, 272, 285, 304, 320, 323, 340, 380, 384, 408, 454, 456, 480, 510, 544, 570, 608, 640, 646, 680, 681, 760, 768, 816, 908, 912, 960, 969, 1020, 1088, 1135, 1140, 1216, 1280, 1292, 1360, 1362, 1520, 1615, 1632, 1816, 1824, 1920, 1938, 2040, 2176, 2270, 2280, 2432, 2584, 2720, 2724, 3040, 3230, 3264, 3405, 3632, 3648, 3840, 3859, 3876, 4080, 4313, 4352, 4540, 4560, 4845, 4864, 5168, 5440, 5448, 6080, 6460, 6528, 6810, 7264, 7296, 7718, 7752, 8160, 8626, 9080, 9120, 9690, 10336, 10880, 10896, 11577, 12160, 12920, 12939, 13056, 13620, 14528, 14592, 15436, 15504, 16320, 17252, 18160, 18240, 19295, 19380, 20672, 21565, 21760, 21792, 23154, 24320, 25840, 25878, 27240, 29056, 30872, 31008, 32640, 34504, 36320, 36480, 38590, 38760, 41344, 43130, 43584, 46308, 51680, 51756, 54480, 57885, 58112, 61744, 62016, 64695, 65280, 69008, 72640, 72960, 73321, 77180, 77520, 82688, 86260, 87168, 92616, 103360, 103512, 108960, 115770, 123488, 124032, 129390, 138016, 145280, 146642, 154360, 155040, 172520, 174336, 185232, 206720, 207024, 217920, 219963, 231540, 246976, 248064, 258780, 276032, 290560, 293284, 308720, 310080, 345040, 366605, 370464, 413440, 414048, 435840, 439926, 463080, 493952, 517560, 552064, 586568, 617440, 620160, 690080, 733210, 740928, 828096, 871680, 879852, 926160, 987904, 1035120, 1099815, 1104128, 1173136, 1234880, 1240320, 1380160, 1466420, 1481856, 1656192, 1759704, 1852320, 2070240, 2199630, 2346272, 2469760, 2760320, 2932840, 2963712, 3312384, 3519408, 3704640, 4140480, 4399260, 4692544, 4939520, 5520640, 5865680, 7038816, 7409280, 8280960, 8798520, 9385088, 11731360, 14077632, 14818560, 16561920, 17597040, 18770176, 23462720, 28155264, 35194080, 46925440, 56310528, 70388160, 93850880, 140776320, 281552640]

約数ペア:

[(1, 281552640), (2, 140776320), (3, 93850880), (4, 70388160), (5, 56310528), (6, 46925440), (8, 35194080), (10, 28155264), (12, 23462720), (15, 18770176), (16, 17597040), (17, 16561920), (19, 14818560), (20, 14077632), (24, 11731360), (30, 9385088), (32, 8798520), (34, 8280960), (38, 7409280), (40, 7038816), (48, 5865680), (51, 5520640), (57, 4939520), (60, 4692544), (64, 4399260), (68, 4140480), (76, 3704640), (80, 3519408), (85, 3312384), (95, 2963712), (96, 2932840), (102, 2760320), (114, 2469760), (120, 2346272), (128, 2199630), (136, 2070240), (152, 1852320), (160, 1759704), (170, 1656192), (190, 1481856), (192, 1466420), (204, 1380160), (227, 1240320), (228, 1234880), (240, 1173136), (255, 1104128), (256, 1099815), (272, 1035120), (285, 987904), (304, 926160), (320, 879852), (323, 871680), (340, 828096), (380, 740928), (384, 733210), (408, 690080), (454, 620160), (456, 617440), (480, 586568), (510, 552064), (544, 517560), (570, 493952), (608, 463080), (640, 439926), (646, 435840), (680, 414048), (681, 413440), (760, 370464), (768, 366605), (816, 345040), (908, 310080), (912, 308720), (960, 293284), (969, 290560), (1020, 276032), (1088, 258780), (1135, 248064), (1140, 246976), (1216, 231540), (1280, 219963), (1292, 217920), (1360, 207024), (1362, 206720), (1520, 185232), (1615, 174336), (1632, 172520), (1816, 155040), (1824, 154360), (1920, 146642), (1938, 145280), (2040, 138016), (2176, 129390), (2270, 124032), (2280, 123488), (2432, 115770), (2584, 108960), (2720, 103512), (2724, 103360), (3040, 92616), (3230, 87168), (3264, 86260), (3405, 82688), (3632, 77520), (3648, 77180), (3840, 73321), (3859, 72960), (3876, 72640), (4080, 69008), (4313, 65280), (4352, 64695), (4540, 62016), (4560, 61744), (4845, 58112), (4864, 57885), (5168, 54480), (5440, 51756), (5448, 51680), (6080, 46308), (6460, 43584), (6528, 43130), (6810, 41344), (7264, 38760), (7296, 38590), (7718, 36480), (7752, 36320), (8160, 34504), (8626, 32640), (9080, 31008), (9120, 30872), (9690, 29056), (10336, 27240), (10880, 25878), (10896, 25840), (11577, 24320), (12160, 23154), (12920, 21792), (12939, 21760), (13056, 21565), (13620, 20672), (14528, 19380), (14592, 19295), (15436, 18240), (15504, 18160), (16320, 17252)]