28260180

素因数分解:

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

素因数の和:970

約数の個数: 108

約数和(自身を含む): 92923740

約数和(自身を除く): 64663560

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 13, 15, 18, 20, 26, 30, 36, 39, 45, 52, 60, 65, 78, 90, 117, 130, 156, 169, 180, 195, 234, 260, 338, 390, 468, 507, 585, 676, 780, 845, 929, 1014, 1170, 1521, 1690, 1858, 2028, 2340, 2535, 2787, 3042, 3380, 3716, 4645, 5070, 5574, 6084, 7605, 8361, 9290, 10140, 11148, 12077, 13935, 15210, 16722, 18580, 24154, 27870, 30420, 33444, 36231, 41805, 48308, 55740, 60385, 72462, 83610, 108693, 120770, 144924, 157001, 167220, 181155, 217386, 241540, 314002, 362310, 434772, 471003, 543465, 628004, 724620, 785005, 942006, 1086930, 1413009, 1570010, 1884012, 2173860, 2355015, 2826018, 3140020, 4710030, 5652036, 7065045, 9420060, 14130090, 28260180]

約数ペア:

[(1, 28260180), (2, 14130090), (3, 9420060), (4, 7065045), (5, 5652036), (6, 4710030), (9, 3140020), (10, 2826018), (12, 2355015), (13, 2173860), (15, 1884012), (18, 1570010), (20, 1413009), (26, 1086930), (30, 942006), (36, 785005), (39, 724620), (45, 628004), (52, 543465), (60, 471003), (65, 434772), (78, 362310), (90, 314002), (117, 241540), (130, 217386), (156, 181155), (169, 167220), (180, 157001), (195, 144924), (234, 120770), (260, 108693), (338, 83610), (390, 72462), (468, 60385), (507, 55740), (585, 48308), (676, 41805), (780, 36231), (845, 33444), (929, 30420), (1014, 27870), (1170, 24154), (1521, 18580), (1690, 16722), (1858, 15210), (2028, 13935), (2340, 12077), (2535, 11148), (2787, 10140), (3042, 9290), (3380, 8361), (3716, 7605), (4645, 6084), (5070, 5574)]