78720480

素因数分解:

$2^5\times 3^2\times 5^1\times {\mathrm{54667}}^1$

素因数の和:54688

約数の個数: 72

約数和(自身を含む): 268638552

約数和(自身を除く): 189918072

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 32, 36, 40, 45, 48, 60, 72, 80, 90, 96, 120, 144, 160, 180, 240, 288, 360, 480, 720, 1440, 54667, 109334, 164001, 218668, 273335, 328002, 437336, 492003, 546670, 656004, 820005, 874672, 984006, 1093340, 1312008, 1640010, 1749344, 1968012, 2186680, 2460015, 2624016, 3280020, 3936024, 4373360, 4920030, 5248032, 6560040, 7872048, 8746720, 9840060, 13120080, 15744096, 19680120, 26240160, 39360240, 78720480]

約数ペア:

[(1, 78720480), (2, 39360240), (3, 26240160), (4, 19680120), (5, 15744096), (6, 13120080), (8, 9840060), (9, 8746720), (10, 7872048), (12, 6560040), (15, 5248032), (16, 4920030), (18, 4373360), (20, 3936024), (24, 3280020), (30, 2624016), (32, 2460015), (36, 2186680), (40, 1968012), (45, 1749344), (48, 1640010), (60, 1312008), (72, 1093340), (80, 984006), (90, 874672), (96, 820005), (120, 656004), (144, 546670), (160, 492003), (180, 437336), (240, 328002), (288, 273335), (360, 218668), (480, 164001), (720, 109334), (1440, 54667)]