15137920

素因数分解:

$2^7\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{109}}^1$

素因数の和:166

約数の個数: 128

約数和(自身を含む): 43084800

約数和(自身を除く): 27946880

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 31, 32, 35, 40, 56, 62, 64, 70, 80, 109, 112, 124, 128, 140, 155, 160, 217, 218, 224, 248, 280, 310, 320, 434, 436, 448, 496, 545, 560, 620, 640, 763, 868, 872, 896, 992, 1085, 1090, 1120, 1240, 1526, 1736, 1744, 1984, 2170, 2180, 2240, 2480, 3052, 3379, 3472, 3488, 3815, 3968, 4340, 4360, 4480, 4960, 6104, 6758, 6944, 6976, 7630, 8680, 8720, 9920, 12208, 13516, 13888, 13952, 15260, 16895, 17360, 17440, 19840, 23653, 24416, 27032, 27776, 30520, 33790, 34720, 34880, 47306, 48832, 54064, 61040, 67580, 69440, 69760, 94612, 97664, 108128, 118265, 122080, 135160, 138880, 189224, 216256, 236530, 244160, 270320, 378448, 432512, 473060, 488320, 540640, 756896, 946120, 1081280, 1513792, 1892240, 2162560, 3027584, 3784480, 7568960, 15137920]

約数ペア:

[(1, 15137920), (2, 7568960), (4, 3784480), (5, 3027584), (7, 2162560), (8, 1892240), (10, 1513792), (14, 1081280), (16, 946120), (20, 756896), (28, 540640), (31, 488320), (32, 473060), (35, 432512), (40, 378448), (56, 270320), (62, 244160), (64, 236530), (70, 216256), (80, 189224), (109, 138880), (112, 135160), (124, 122080), (128, 118265), (140, 108128), (155, 97664), (160, 94612), (217, 69760), (218, 69440), (224, 67580), (248, 61040), (280, 54064), (310, 48832), (320, 47306), (434, 34880), (436, 34720), (448, 33790), (496, 30520), (545, 27776), (560, 27032), (620, 24416), (640, 23653), (763, 19840), (868, 17440), (872, 17360), (896, 16895), (992, 15260), (1085, 13952), (1090, 13888), (1120, 13516), (1240, 12208), (1526, 9920), (1736, 8720), (1744, 8680), (1984, 7630), (2170, 6976), (2180, 6944), (2240, 6758), (2480, 6104), (3052, 4960), (3379, 4480), (3472, 4360), (3488, 4340), (3815, 3968)]