30275840

素因数分解:

$2^8\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{109}}^1$

素因数の和:168

約数の個数: 144

約数和(自身を含む): 86338560

約数和(自身を除く): 56062720

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, 256, 280, 310, 320, 434, 436, 448, 496, 545, 560, 620, 640, 763, 868, 872, 896, 992, 1085, 1090, 1120, 1240, 1280, 1526, 1736, 1744, 1792, 1984, 2170, 2180, 2240, 2480, 3052, 3379, 3472, 3488, 3815, 3968, 4340, 4360, 4480, 4960, 6104, 6758, 6944, 6976, 7630, 7936, 8680, 8720, 8960, 9920, 12208, 13516, 13888, 13952, 15260, 16895, 17360, 17440, 19840, 23653, 24416, 27032, 27776, 27904, 30520, 33790, 34720, 34880, 39680, 47306, 48832, 54064, 55552, 61040, 67580, 69440, 69760, 94612, 97664, 108128, 118265, 122080, 135160, 138880, 139520, 189224, 195328, 216256, 236530, 244160, 270320, 277760, 378448, 432512, 473060, 488320, 540640, 756896, 865024, 946120, 976640, 1081280, 1513792, 1892240, 2162560, 3027584, 3784480, 4325120, 6055168, 7568960, 15137920, 30275840]

約数ペア:

[(1, 30275840), (2, 15137920), (4, 7568960), (5, 6055168), (7, 4325120), (8, 3784480), (10, 3027584), (14, 2162560), (16, 1892240), (20, 1513792), (28, 1081280), (31, 976640), (32, 946120), (35, 865024), (40, 756896), (56, 540640), (62, 488320), (64, 473060), (70, 432512), (80, 378448), (109, 277760), (112, 270320), (124, 244160), (128, 236530), (140, 216256), (155, 195328), (160, 189224), (217, 139520), (218, 138880), (224, 135160), (248, 122080), (256, 118265), (280, 108128), (310, 97664), (320, 94612), (434, 69760), (436, 69440), (448, 67580), (496, 61040), (545, 55552), (560, 54064), (620, 48832), (640, 47306), (763, 39680), (868, 34880), (872, 34720), (896, 33790), (992, 30520), (1085, 27904), (1090, 27776), (1120, 27032), (1240, 24416), (1280, 23653), (1526, 19840), (1736, 17440), (1744, 17360), (1792, 16895), (1984, 15260), (2170, 13952), (2180, 13888), (2240, 13516), (2480, 12208), (3052, 9920), (3379, 8960), (3472, 8720), (3488, 8680), (3815, 7936), (3968, 7630), (4340, 6976), (4360, 6944), (4480, 6758), (4960, 6104)]