8820180

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{2579}}^1$

素因数の和:2613

約数の個数: 72

約数和(自身を含む): 28173600

約数和(自身を除く): 19353420

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 19, 20, 30, 36, 38, 45, 57, 60, 76, 90, 95, 114, 171, 180, 190, 228, 285, 342, 380, 570, 684, 855, 1140, 1710, 2579, 3420, 5158, 7737, 10316, 12895, 15474, 23211, 25790, 30948, 38685, 46422, 49001, 51580, 77370, 92844, 98002, 116055, 147003, 154740, 196004, 232110, 245005, 294006, 441009, 464220, 490010, 588012, 735015, 882018, 980020, 1470030, 1764036, 2205045, 2940060, 4410090, 8820180]

約数ペア:

[(1, 8820180), (2, 4410090), (3, 2940060), (4, 2205045), (5, 1764036), (6, 1470030), (9, 980020), (10, 882018), (12, 735015), (15, 588012), (18, 490010), (19, 464220), (20, 441009), (30, 294006), (36, 245005), (38, 232110), (45, 196004), (57, 154740), (60, 147003), (76, 116055), (90, 98002), (95, 92844), (114, 77370), (171, 51580), (180, 49001), (190, 46422), (228, 38685), (285, 30948), (342, 25790), (380, 23211), (570, 15474), (684, 12895), (855, 10316), (1140, 7737), (1710, 5158), (2579, 3420)]