28777840

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{59}}^1\times {\mathrm{67}}^1$

素因数の和:159

約数の個数: 160

約数和(自身を含む): 84994560

約数和(自身を除く): 56216720

約数列:

[1, 2, 4, 5, 7, 8, 10, 13, 14, 16, 20, 26, 28, 35, 40, 52, 56, 59, 65, 67, 70, 80, 91, 104, 112, 118, 130, 134, 140, 182, 208, 236, 260, 268, 280, 295, 335, 364, 413, 455, 469, 472, 520, 536, 560, 590, 670, 728, 767, 826, 871, 910, 938, 944, 1040, 1072, 1180, 1340, 1456, 1534, 1652, 1742, 1820, 1876, 2065, 2345, 2360, 2680, 3068, 3304, 3484, 3640, 3752, 3835, 3953, 4130, 4355, 4690, 4720, 5360, 5369, 6097, 6136, 6608, 6968, 7280, 7504, 7670, 7906, 8260, 8710, 9380, 10738, 12194, 12272, 13936, 15340, 15812, 16520, 17420, 18760, 19765, 21476, 24388, 26845, 27671, 30485, 30680, 31624, 33040, 34840, 37520, 39530, 42952, 48776, 51389, 53690, 55342, 60970, 61360, 63248, 69680, 79060, 85904, 97552, 102778, 107380, 110684, 121940, 138355, 158120, 205556, 214760, 221368, 243880, 256945, 276710, 316240, 359723, 411112, 429520, 442736, 487760, 513890, 553420, 719446, 822224, 1027780, 1106840, 1438892, 1798615, 2055560, 2213680, 2877784, 3597230, 4111120, 5755568, 7194460, 14388920, 28777840]

約数ペア:

[(1, 28777840), (2, 14388920), (4, 7194460), (5, 5755568), (7, 4111120), (8, 3597230), (10, 2877784), (13, 2213680), (14, 2055560), (16, 1798615), (20, 1438892), (26, 1106840), (28, 1027780), (35, 822224), (40, 719446), (52, 553420), (56, 513890), (59, 487760), (65, 442736), (67, 429520), (70, 411112), (80, 359723), (91, 316240), (104, 276710), (112, 256945), (118, 243880), (130, 221368), (134, 214760), (140, 205556), (182, 158120), (208, 138355), (236, 121940), (260, 110684), (268, 107380), (280, 102778), (295, 97552), (335, 85904), (364, 79060), (413, 69680), (455, 63248), (469, 61360), (472, 60970), (520, 55342), (536, 53690), (560, 51389), (590, 48776), (670, 42952), (728, 39530), (767, 37520), (826, 34840), (871, 33040), (910, 31624), (938, 30680), (944, 30485), (1040, 27671), (1072, 26845), (1180, 24388), (1340, 21476), (1456, 19765), (1534, 18760), (1652, 17420), (1742, 16520), (1820, 15812), (1876, 15340), (2065, 13936), (2345, 12272), (2360, 12194), (2680, 10738), (3068, 9380), (3304, 8710), (3484, 8260), (3640, 7906), (3752, 7670), (3835, 7504), (3953, 7280), (4130, 6968), (4355, 6608), (4690, 6136), (4720, 6097), (5360, 5369)]