28791560

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{31}}^2\times {\mathrm{107}}^1$

素因数の和:187

約数の個数: 96

約数和(自身を含む): 77215680

約数和(自身を除く): 48424120

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 31, 35, 40, 56, 62, 70, 107, 124, 140, 155, 214, 217, 248, 280, 310, 428, 434, 535, 620, 749, 856, 868, 961, 1070, 1085, 1240, 1498, 1736, 1922, 2140, 2170, 2996, 3317, 3745, 3844, 4280, 4340, 4805, 5992, 6634, 6727, 7490, 7688, 8680, 9610, 13268, 13454, 14980, 16585, 19220, 23219, 26536, 26908, 29960, 33170, 33635, 38440, 46438, 53816, 66340, 67270, 92876, 102827, 116095, 132680, 134540, 185752, 205654, 232190, 269080, 411308, 464380, 514135, 719789, 822616, 928760, 1028270, 1439578, 2056540, 2879156, 3598945, 4113080, 5758312, 7197890, 14395780, 28791560]

約数ペア:

[(1, 28791560), (2, 14395780), (4, 7197890), (5, 5758312), (7, 4113080), (8, 3598945), (10, 2879156), (14, 2056540), (20, 1439578), (28, 1028270), (31, 928760), (35, 822616), (40, 719789), (56, 514135), (62, 464380), (70, 411308), (107, 269080), (124, 232190), (140, 205654), (155, 185752), (214, 134540), (217, 132680), (248, 116095), (280, 102827), (310, 92876), (428, 67270), (434, 66340), (535, 53816), (620, 46438), (749, 38440), (856, 33635), (868, 33170), (961, 29960), (1070, 26908), (1085, 26536), (1240, 23219), (1498, 19220), (1736, 16585), (1922, 14980), (2140, 13454), (2170, 13268), (2996, 9610), (3317, 8680), (3745, 7688), (3844, 7490), (4280, 6727), (4340, 6634), (4805, 5992)]