90723240

素因数分解:

$2^3\times 3^4\times 5^1\times {\mathrm{28001}}^1$

素因数の和:28024

約数の個数: 80

約数和(自身を含む): 304941780

約数和(自身を除く): 214218540

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 27, 30, 36, 40, 45, 54, 60, 72, 81, 90, 108, 120, 135, 162, 180, 216, 270, 324, 360, 405, 540, 648, 810, 1080, 1620, 3240, 28001, 56002, 84003, 112004, 140005, 168006, 224008, 252009, 280010, 336012, 420015, 504018, 560020, 672024, 756027, 840030, 1008036, 1120040, 1260045, 1512054, 1680060, 2016072, 2268081, 2520090, 3024108, 3360120, 3780135, 4536162, 5040180, 6048216, 7560270, 9072324, 10080360, 11340405, 15120540, 18144648, 22680810, 30241080, 45361620, 90723240]

約数ペア:

[(1, 90723240), (2, 45361620), (3, 30241080), (4, 22680810), (5, 18144648), (6, 15120540), (8, 11340405), (9, 10080360), (10, 9072324), (12, 7560270), (15, 6048216), (18, 5040180), (20, 4536162), (24, 3780135), (27, 3360120), (30, 3024108), (36, 2520090), (40, 2268081), (45, 2016072), (54, 1680060), (60, 1512054), (72, 1260045), (81, 1120040), (90, 1008036), (108, 840030), (120, 756027), (135, 672024), (162, 560020), (180, 504018), (216, 420015), (270, 336012), (324, 280010), (360, 252009), (405, 224008), (540, 168006), (648, 140005), (810, 112004), (1080, 84003), (1620, 56002), (3240, 28001)]