2780851710

素因数分解:

$2^1\times 3^1\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{23689}}^1$

素因数の和:23762

約数の個数: 128

約数和(自身を含む): 8405591040

約数和(自身を除く): 5624739330

約数列:

[1, 2, 3, 5, 6, 7, 10, 13, 14, 15, 21, 26, 30, 35, 39, 42, 43, 65, 70, 78, 86, 91, 105, 129, 130, 182, 195, 210, 215, 258, 273, 301, 390, 430, 455, 546, 559, 602, 645, 903, 910, 1118, 1290, 1365, 1505, 1677, 1806, 2730, 2795, 3010, 3354, 3913, 4515, 5590, 7826, 8385, 9030, 11739, 16770, 19565, 23478, 23689, 39130, 47378, 58695, 71067, 117390, 118445, 142134, 165823, 236890, 307957, 331646, 355335, 497469, 615914, 710670, 829115, 923871, 994938, 1018627, 1539785, 1658230, 1847742, 2037254, 2155699, 2487345, 3055881, 3079570, 4311398, 4619355, 4974690, 5093135, 6111762, 6467097, 7130389, 9238710, 10186270, 10778495, 12934194, 13242151, 14260778, 15279405, 21391167, 21556990, 26484302, 30558810, 32335485, 35651945, 39726453, 42782334, 64670970, 66210755, 71303890, 79452906, 92695057, 106955835, 132421510, 185390114, 198632265, 213911670, 278085171, 397264530, 463475285, 556170342, 926950570, 1390425855, 2780851710]

約数ペア:

[(1, 2780851710), (2, 1390425855), (3, 926950570), (5, 556170342), (6, 463475285), (7, 397264530), (10, 278085171), (13, 213911670), (14, 198632265), (15, 185390114), (21, 132421510), (26, 106955835), (30, 92695057), (35, 79452906), (39, 71303890), (42, 66210755), (43, 64670970), (65, 42782334), (70, 39726453), (78, 35651945), (86, 32335485), (91, 30558810), (105, 26484302), (129, 21556990), (130, 21391167), (182, 15279405), (195, 14260778), (210, 13242151), (215, 12934194), (258, 10778495), (273, 10186270), (301, 9238710), (390, 7130389), (430, 6467097), (455, 6111762), (546, 5093135), (559, 4974690), (602, 4619355), (645, 4311398), (903, 3079570), (910, 3055881), (1118, 2487345), (1290, 2155699), (1365, 2037254), (1505, 1847742), (1677, 1658230), (1806, 1539785), (2730, 1018627), (2795, 994938), (3010, 923871), (3354, 829115), (3913, 710670), (4515, 615914), (5590, 497469), (7826, 355335), (8385, 331646), (9030, 307957), (11739, 236890), (16770, 165823), (19565, 142134), (23478, 118445), (23689, 117390), (39130, 71067), (47378, 58695)]