78115840

素因数分解:

$2^{10}\times 5^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{73}}^1$

素因数の和:128

約数の個数: 176

約数和(自身を含む): 218128320

約数和(自身を除く): 140012480

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 19, 20, 22, 32, 38, 40, 44, 55, 64, 73, 76, 80, 88, 95, 110, 128, 146, 152, 160, 176, 190, 209, 220, 256, 292, 304, 320, 352, 365, 380, 418, 440, 512, 584, 608, 640, 704, 730, 760, 803, 836, 880, 1024, 1045, 1168, 1216, 1280, 1387, 1408, 1460, 1520, 1606, 1672, 1760, 2090, 2336, 2432, 2560, 2774, 2816, 2920, 3040, 3212, 3344, 3520, 4015, 4180, 4672, 4864, 5120, 5548, 5632, 5840, 6080, 6424, 6688, 6935, 7040, 8030, 8360, 9344, 9728, 11096, 11264, 11680, 12160, 12848, 13376, 13870, 14080, 15257, 16060, 16720, 18688, 19456, 22192, 23360, 24320, 25696, 26752, 27740, 28160, 30514, 32120, 33440, 37376, 44384, 46720, 48640, 51392, 53504, 55480, 56320, 61028, 64240, 66880, 74752, 76285, 88768, 93440, 97280, 102784, 107008, 110960, 122056, 128480, 133760, 152570, 177536, 186880, 205568, 214016, 221920, 244112, 256960, 267520, 305140, 355072, 373760, 411136, 443840, 488224, 513920, 535040, 610280, 710144, 822272, 887680, 976448, 1027840, 1070080, 1220560, 1420288, 1775360, 1952896, 2055680, 2441120, 3550720, 3905792, 4111360, 4882240, 7101440, 7811584, 9764480, 15623168, 19528960, 39057920, 78115840]

約数ペア:

[(1, 78115840), (2, 39057920), (4, 19528960), (5, 15623168), (8, 9764480), (10, 7811584), (11, 7101440), (16, 4882240), (19, 4111360), (20, 3905792), (22, 3550720), (32, 2441120), (38, 2055680), (40, 1952896), (44, 1775360), (55, 1420288), (64, 1220560), (73, 1070080), (76, 1027840), (80, 976448), (88, 887680), (95, 822272), (110, 710144), (128, 610280), (146, 535040), (152, 513920), (160, 488224), (176, 443840), (190, 411136), (209, 373760), (220, 355072), (256, 305140), (292, 267520), (304, 256960), (320, 244112), (352, 221920), (365, 214016), (380, 205568), (418, 186880), (440, 177536), (512, 152570), (584, 133760), (608, 128480), (640, 122056), (704, 110960), (730, 107008), (760, 102784), (803, 97280), (836, 93440), (880, 88768), (1024, 76285), (1045, 74752), (1168, 66880), (1216, 64240), (1280, 61028), (1387, 56320), (1408, 55480), (1460, 53504), (1520, 51392), (1606, 48640), (1672, 46720), (1760, 44384), (2090, 37376), (2336, 33440), (2432, 32120), (2560, 30514), (2774, 28160), (2816, 27740), (2920, 26752), (3040, 25696), (3212, 24320), (3344, 23360), (3520, 22192), (4015, 19456), (4180, 18688), (4672, 16720), (4864, 16060), (5120, 15257), (5548, 14080), (5632, 13870), (5840, 13376), (6080, 12848), (6424, 12160), (6688, 11680), (6935, 11264), (7040, 11096), (8030, 9728), (8360, 9344)]