1540374920

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{41}}^1\times {\mathrm{109}}^1\times {\mathrm{1231}}^1$

素因数の和:1399

約数の個数: 128

約数和(自身を含む): 4098124800

約数和(自身を除く): 2557749880

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 41, 56, 70, 82, 109, 140, 164, 205, 218, 280, 287, 328, 410, 436, 545, 574, 763, 820, 872, 1090, 1148, 1231, 1435, 1526, 1640, 2180, 2296, 2462, 2870, 3052, 3815, 4360, 4469, 4924, 5740, 6104, 6155, 7630, 8617, 8938, 9848, 11480, 12310, 15260, 17234, 17876, 22345, 24620, 30520, 31283, 34468, 35752, 43085, 44690, 49240, 50471, 62566, 68936, 86170, 89380, 100942, 125132, 134179, 156415, 172340, 178760, 201884, 250264, 252355, 268358, 312830, 344680, 353297, 403768, 504710, 536716, 625660, 670895, 706594, 939253, 1009420, 1073432, 1251320, 1341790, 1413188, 1766485, 1878506, 2018840, 2683580, 2826376, 3532970, 3757012, 4696265, 5367160, 5501339, 7065940, 7514024, 9392530, 11002678, 14131880, 18785060, 22005356, 27506695, 37570120, 38509373, 44010712, 55013390, 77018746, 110026780, 154037492, 192546865, 220053560, 308074984, 385093730, 770187460, 1540374920]

約数ペア:

[(1, 1540374920), (2, 770187460), (4, 385093730), (5, 308074984), (7, 220053560), (8, 192546865), (10, 154037492), (14, 110026780), (20, 77018746), (28, 55013390), (35, 44010712), (40, 38509373), (41, 37570120), (56, 27506695), (70, 22005356), (82, 18785060), (109, 14131880), (140, 11002678), (164, 9392530), (205, 7514024), (218, 7065940), (280, 5501339), (287, 5367160), (328, 4696265), (410, 3757012), (436, 3532970), (545, 2826376), (574, 2683580), (763, 2018840), (820, 1878506), (872, 1766485), (1090, 1413188), (1148, 1341790), (1231, 1251320), (1435, 1073432), (1526, 1009420), (1640, 939253), (2180, 706594), (2296, 670895), (2462, 625660), (2870, 536716), (3052, 504710), (3815, 403768), (4360, 353297), (4469, 344680), (4924, 312830), (5740, 268358), (6104, 252355), (6155, 250264), (7630, 201884), (8617, 178760), (8938, 172340), (9848, 156415), (11480, 134179), (12310, 125132), (15260, 100942), (17234, 89380), (17876, 86170), (22345, 68936), (24620, 62566), (30520, 50471), (31283, 49240), (34468, 44690), (35752, 43085)]