18840120

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{13}}^2\times {\mathrm{929}}^1$

素因数の和:969

約数の個数: 96

約数和(自身を含む): 61268400

約数和(自身を除く): 42428280

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 13, 15, 20, 24, 26, 30, 39, 40, 52, 60, 65, 78, 104, 120, 130, 156, 169, 195, 260, 312, 338, 390, 507, 520, 676, 780, 845, 929, 1014, 1352, 1560, 1690, 1858, 2028, 2535, 2787, 3380, 3716, 4056, 4645, 5070, 5574, 6760, 7432, 9290, 10140, 11148, 12077, 13935, 18580, 20280, 22296, 24154, 27870, 36231, 37160, 48308, 55740, 60385, 72462, 96616, 111480, 120770, 144924, 157001, 181155, 241540, 289848, 314002, 362310, 471003, 483080, 628004, 724620, 785005, 942006, 1256008, 1449240, 1570010, 1884012, 2355015, 3140020, 3768024, 4710030, 6280040, 9420060, 18840120]

約数ペア:

[(1, 18840120), (2, 9420060), (3, 6280040), (4, 4710030), (5, 3768024), (6, 3140020), (8, 2355015), (10, 1884012), (12, 1570010), (13, 1449240), (15, 1256008), (20, 942006), (24, 785005), (26, 724620), (30, 628004), (39, 483080), (40, 471003), (52, 362310), (60, 314002), (65, 289848), (78, 241540), (104, 181155), (120, 157001), (130, 144924), (156, 120770), (169, 111480), (195, 96616), (260, 72462), (312, 60385), (338, 55740), (390, 48308), (507, 37160), (520, 36231), (676, 27870), (780, 24154), (845, 22296), (929, 20280), (1014, 18580), (1352, 13935), (1560, 12077), (1690, 11148), (1858, 10140), (2028, 9290), (2535, 7432), (2787, 6760), (3380, 5574), (3716, 5070), (4056, 4645)]