128879880

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{37}}^1\times {\mathrm{29027}}^1$

素因数の和:29078

約数の個数: 64

約数和(自身を含む): 397103040

約数和(自身を除く): 268223160

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 37, 40, 60, 74, 111, 120, 148, 185, 222, 296, 370, 444, 555, 740, 888, 1110, 1480, 2220, 4440, 29027, 58054, 87081, 116108, 145135, 174162, 232216, 290270, 348324, 435405, 580540, 696648, 870810, 1073999, 1161080, 1741620, 2147998, 3221997, 3483240, 4295996, 5369995, 6443994, 8591992, 10739990, 12887988, 16109985, 21479980, 25775976, 32219970, 42959960, 64439940, 128879880]

約数ペア:

[(1, 128879880), (2, 64439940), (3, 42959960), (4, 32219970), (5, 25775976), (6, 21479980), (8, 16109985), (10, 12887988), (12, 10739990), (15, 8591992), (20, 6443994), (24, 5369995), (30, 4295996), (37, 3483240), (40, 3221997), (60, 2147998), (74, 1741620), (111, 1161080), (120, 1073999), (148, 870810), (185, 696648), (222, 580540), (296, 435405), (370, 348324), (444, 290270), (555, 232216), (740, 174162), (888, 145135), (1110, 116108), (1480, 87081), (2220, 58054), (4440, 29027)]