15788920

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{107}}^1$

素因数の和:173

約数の個数: 128

約数和(自身を含む): 44789760

約数和(自身を除く): 29000840

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 17, 20, 28, 31, 34, 35, 40, 56, 62, 68, 70, 85, 107, 119, 124, 136, 140, 155, 170, 214, 217, 238, 248, 280, 310, 340, 428, 434, 476, 527, 535, 595, 620, 680, 749, 856, 868, 952, 1054, 1070, 1085, 1190, 1240, 1498, 1736, 1819, 2108, 2140, 2170, 2380, 2635, 2996, 3317, 3638, 3689, 3745, 4216, 4280, 4340, 4760, 5270, 5992, 6634, 7276, 7378, 7490, 8680, 9095, 10540, 12733, 13268, 14552, 14756, 14980, 16585, 18190, 18445, 21080, 23219, 25466, 26536, 29512, 29960, 33170, 36380, 36890, 46438, 50932, 56389, 63665, 66340, 72760, 73780, 92876, 101864, 112778, 116095, 127330, 132680, 147560, 185752, 225556, 232190, 254660, 281945, 394723, 451112, 464380, 509320, 563890, 789446, 928760, 1127780, 1578892, 1973615, 2255560, 3157784, 3947230, 7894460, 15788920]

約数ペア:

[(1, 15788920), (2, 7894460), (4, 3947230), (5, 3157784), (7, 2255560), (8, 1973615), (10, 1578892), (14, 1127780), (17, 928760), (20, 789446), (28, 563890), (31, 509320), (34, 464380), (35, 451112), (40, 394723), (56, 281945), (62, 254660), (68, 232190), (70, 225556), (85, 185752), (107, 147560), (119, 132680), (124, 127330), (136, 116095), (140, 112778), (155, 101864), (170, 92876), (214, 73780), (217, 72760), (238, 66340), (248, 63665), (280, 56389), (310, 50932), (340, 46438), (428, 36890), (434, 36380), (476, 33170), (527, 29960), (535, 29512), (595, 26536), (620, 25466), (680, 23219), (749, 21080), (856, 18445), (868, 18190), (952, 16585), (1054, 14980), (1070, 14756), (1085, 14552), (1190, 13268), (1240, 12733), (1498, 10540), (1736, 9095), (1819, 8680), (2108, 7490), (2140, 7378), (2170, 7276), (2380, 6634), (2635, 5992), (2996, 5270), (3317, 4760), (3638, 4340), (3689, 4280), (3745, 4216)]