279457360

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{1669}}^1$

素因数の和:1725

約数の個数: 160

約数和(自身を含む): 834946560

約数和(自身を除く): 555489200

約数列:

[1, 2, 4, 5, 7, 8, 10, 13, 14, 16, 20, 23, 26, 28, 35, 40, 46, 52, 56, 65, 70, 80, 91, 92, 104, 112, 115, 130, 140, 161, 182, 184, 208, 230, 260, 280, 299, 322, 364, 368, 455, 460, 520, 560, 598, 644, 728, 805, 910, 920, 1040, 1196, 1288, 1456, 1495, 1610, 1669, 1820, 1840, 2093, 2392, 2576, 2990, 3220, 3338, 3640, 4186, 4784, 5980, 6440, 6676, 7280, 8345, 8372, 10465, 11683, 11960, 12880, 13352, 16690, 16744, 20930, 21697, 23366, 23920, 26704, 33380, 33488, 38387, 41860, 43394, 46732, 58415, 66760, 76774, 83720, 86788, 93464, 108485, 116830, 133520, 151879, 153548, 167440, 173576, 186928, 191935, 216970, 233660, 268709, 303758, 307096, 347152, 383870, 433940, 467320, 499031, 537418, 607516, 614192, 759395, 767740, 867880, 934640, 998062, 1074836, 1215032, 1343545, 1518790, 1535480, 1735760, 1996124, 2149672, 2430064, 2495155, 2687090, 3037580, 3070960, 3493217, 3992248, 4299344, 4990310, 5374180, 6075160, 6986434, 7984496, 9980620, 10748360, 12150320, 13972868, 17466085, 19961240, 21496720, 27945736, 34932170, 39922480, 55891472, 69864340, 139728680, 279457360]

約数ペア:

[(1, 279457360), (2, 139728680), (4, 69864340), (5, 55891472), (7, 39922480), (8, 34932170), (10, 27945736), (13, 21496720), (14, 19961240), (16, 17466085), (20, 13972868), (23, 12150320), (26, 10748360), (28, 9980620), (35, 7984496), (40, 6986434), (46, 6075160), (52, 5374180), (56, 4990310), (65, 4299344), (70, 3992248), (80, 3493217), (91, 3070960), (92, 3037580), (104, 2687090), (112, 2495155), (115, 2430064), (130, 2149672), (140, 1996124), (161, 1735760), (182, 1535480), (184, 1518790), (208, 1343545), (230, 1215032), (260, 1074836), (280, 998062), (299, 934640), (322, 867880), (364, 767740), (368, 759395), (455, 614192), (460, 607516), (520, 537418), (560, 499031), (598, 467320), (644, 433940), (728, 383870), (805, 347152), (910, 307096), (920, 303758), (1040, 268709), (1196, 233660), (1288, 216970), (1456, 191935), (1495, 186928), (1610, 173576), (1669, 167440), (1820, 153548), (1840, 151879), (2093, 133520), (2392, 116830), (2576, 108485), (2990, 93464), (3220, 86788), (3338, 83720), (3640, 76774), (4186, 66760), (4784, 58415), (5980, 46732), (6440, 43394), (6676, 41860), (7280, 38387), (8345, 33488), (8372, 33380), (10465, 26704), (11683, 23920), (11960, 23366), (12880, 21697), (13352, 20930), (16690, 16744)]