278474560

素因数分解:

$2^6\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{73}}^1\times {\mathrm{131}}^1$

素因数の和:241

約数の個数: 224

約数和(自身を含む): 833640192

約数和(自身を除く): 555165632

約数列:

[1, 2, 4, 5, 7, 8, 10, 13, 14, 16, 20, 26, 28, 32, 35, 40, 52, 56, 64, 65, 70, 73, 80, 91, 104, 112, 130, 131, 140, 146, 160, 182, 208, 224, 260, 262, 280, 292, 320, 364, 365, 416, 448, 455, 511, 520, 524, 560, 584, 655, 728, 730, 832, 910, 917, 949, 1022, 1040, 1048, 1120, 1168, 1310, 1456, 1460, 1703, 1820, 1834, 1898, 2044, 2080, 2096, 2240, 2336, 2555, 2620, 2912, 2920, 3406, 3640, 3668, 3796, 4088, 4160, 4192, 4585, 4672, 4745, 5110, 5240, 5824, 5840, 6643, 6812, 7280, 7336, 7592, 8176, 8384, 8515, 9170, 9490, 9563, 10220, 10480, 11680, 11921, 13286, 13624, 14560, 14672, 15184, 16352, 17030, 18340, 18980, 19126, 20440, 20960, 23360, 23842, 26572, 27248, 29120, 29344, 30368, 32704, 33215, 34060, 36680, 37960, 38252, 40880, 41920, 47684, 47815, 53144, 54496, 58688, 59605, 60736, 66430, 66941, 68120, 73360, 75920, 76504, 81760, 95368, 95630, 106288, 108992, 119210, 124319, 132860, 133882, 136240, 146720, 151840, 153008, 163520, 190736, 191260, 212576, 238420, 248638, 265720, 267764, 272480, 293440, 303680, 306016, 334705, 381472, 382520, 425152, 476840, 497276, 531440, 535528, 544960, 612032, 621595, 669410, 762944, 765040, 870233, 953680, 994552, 1062880, 1071056, 1243190, 1338820, 1530080, 1740466, 1907360, 1989104, 2125760, 2142112, 2486380, 2677640, 3060160, 3480932, 3814720, 3978208, 4284224, 4351165, 4972760, 5355280, 6961864, 7956416, 8702330, 9945520, 10710560, 13923728, 17404660, 19891040, 21421120, 27847456, 34809320, 39782080, 55694912, 69618640, 139237280, 278474560]

約数ペア:

[(1, 278474560), (2, 139237280), (4, 69618640), (5, 55694912), (7, 39782080), (8, 34809320), (10, 27847456), (13, 21421120), (14, 19891040), (16, 17404660), (20, 13923728), (26, 10710560), (28, 9945520), (32, 8702330), (35, 7956416), (40, 6961864), (52, 5355280), (56, 4972760), (64, 4351165), (65, 4284224), (70, 3978208), (73, 3814720), (80, 3480932), (91, 3060160), (104, 2677640), (112, 2486380), (130, 2142112), (131, 2125760), (140, 1989104), (146, 1907360), (160, 1740466), (182, 1530080), (208, 1338820), (224, 1243190), (260, 1071056), (262, 1062880), (280, 994552), (292, 953680), (320, 870233), (364, 765040), (365, 762944), (416, 669410), (448, 621595), (455, 612032), (511, 544960), (520, 535528), (524, 531440), (560, 497276), (584, 476840), (655, 425152), (728, 382520), (730, 381472), (832, 334705), (910, 306016), (917, 303680), (949, 293440), (1022, 272480), (1040, 267764), (1048, 265720), (1120, 248638), (1168, 238420), (1310, 212576), (1456, 191260), (1460, 190736), (1703, 163520), (1820, 153008), (1834, 151840), (1898, 146720), (2044, 136240), (2080, 133882), (2096, 132860), (2240, 124319), (2336, 119210), (2555, 108992), (2620, 106288), (2912, 95630), (2920, 95368), (3406, 81760), (3640, 76504), (3668, 75920), (3796, 73360), (4088, 68120), (4160, 66941), (4192, 66430), (4585, 60736), (4672, 59605), (4745, 58688), (5110, 54496), (5240, 53144), (5824, 47815), (5840, 47684), (6643, 41920), (6812, 40880), (7280, 38252), (7336, 37960), (7592, 36680), (8176, 34060), (8384, 33215), (8515, 32704), (9170, 30368), (9490, 29344), (9563, 29120), (10220, 27248), (10480, 26572), (11680, 23842), (11921, 23360), (13286, 20960), (13624, 20440), (14560, 19126), (14672, 18980), (15184, 18340), (16352, 17030)]