255207680

素因数分解:

$2^8\times 5^1\times 7^2\times {\mathrm{13}}^1\times {\mathrm{313}}^1$

素因数の和:361

約数の個数: 216

約数和(自身を含む): 768253752

約数和(自身を除く): 513046072

約数列:

[1, 2, 4, 5, 7, 8, 10, 13, 14, 16, 20, 26, 28, 32, 35, 40, 49, 52, 56, 64, 65, 70, 80, 91, 98, 104, 112, 128, 130, 140, 160, 182, 196, 208, 224, 245, 256, 260, 280, 313, 320, 364, 392, 416, 448, 455, 490, 520, 560, 626, 637, 640, 728, 784, 832, 896, 910, 980, 1040, 1120, 1252, 1274, 1280, 1456, 1565, 1568, 1664, 1792, 1820, 1960, 2080, 2191, 2240, 2504, 2548, 2912, 3130, 3136, 3185, 3328, 3640, 3920, 4069, 4160, 4382, 4480, 5008, 5096, 5824, 6260, 6272, 6370, 7280, 7840, 8138, 8320, 8764, 8960, 10016, 10192, 10955, 11648, 12520, 12544, 12740, 14560, 15337, 15680, 16276, 16640, 17528, 20032, 20345, 20384, 21910, 23296, 25040, 25480, 28483, 29120, 30674, 31360, 32552, 35056, 40064, 40690, 40768, 43820, 50080, 50960, 56966, 58240, 61348, 62720, 65104, 70112, 76685, 80128, 81380, 81536, 87640, 100160, 101920, 113932, 116480, 122696, 130208, 140224, 142415, 153370, 162760, 163072, 175280, 199381, 200320, 203840, 227864, 245392, 260416, 280448, 284830, 306740, 325520, 350560, 398762, 400640, 407680, 455728, 490784, 520832, 560896, 569660, 613480, 651040, 701120, 797524, 815360, 911456, 981568, 996905, 1041664, 1139320, 1226960, 1302080, 1402240, 1595048, 1822912, 1963136, 1993810, 2278640, 2453920, 2604160, 2804480, 3190096, 3645824, 3926272, 3987620, 4557280, 4907840, 5208320, 6380192, 7291648, 7975240, 9114560, 9815680, 12760384, 15950480, 18229120, 19631360, 25520768, 31900960, 36458240, 51041536, 63801920, 127603840, 255207680]

約数ペア:

[(1, 255207680), (2, 127603840), (4, 63801920), (5, 51041536), (7, 36458240), (8, 31900960), (10, 25520768), (13, 19631360), (14, 18229120), (16, 15950480), (20, 12760384), (26, 9815680), (28, 9114560), (32, 7975240), (35, 7291648), (40, 6380192), (49, 5208320), (52, 4907840), (56, 4557280), (64, 3987620), (65, 3926272), (70, 3645824), (80, 3190096), (91, 2804480), (98, 2604160), (104, 2453920), (112, 2278640), (128, 1993810), (130, 1963136), (140, 1822912), (160, 1595048), (182, 1402240), (196, 1302080), (208, 1226960), (224, 1139320), (245, 1041664), (256, 996905), (260, 981568), (280, 911456), (313, 815360), (320, 797524), (364, 701120), (392, 651040), (416, 613480), (448, 569660), (455, 560896), (490, 520832), (520, 490784), (560, 455728), (626, 407680), (637, 400640), (640, 398762), (728, 350560), (784, 325520), (832, 306740), (896, 284830), (910, 280448), (980, 260416), (1040, 245392), (1120, 227864), (1252, 203840), (1274, 200320), (1280, 199381), (1456, 175280), (1565, 163072), (1568, 162760), (1664, 153370), (1792, 142415), (1820, 140224), (1960, 130208), (2080, 122696), (2191, 116480), (2240, 113932), (2504, 101920), (2548, 100160), (2912, 87640), (3130, 81536), (3136, 81380), (3185, 80128), (3328, 76685), (3640, 70112), (3920, 65104), (4069, 62720), (4160, 61348), (4382, 58240), (4480, 56966), (5008, 50960), (5096, 50080), (5824, 43820), (6260, 40768), (6272, 40690), (6370, 40064), (7280, 35056), (7840, 32552), (8138, 31360), (8320, 30674), (8764, 29120), (8960, 28483), (10016, 25480), (10192, 25040), (10955, 23296), (11648, 21910), (12520, 20384), (12544, 20345), (12740, 20032), (14560, 17528), (15337, 16640), (15680, 16276)]