81099180

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{17}}^2\times {\mathrm{1559}}^1$

素因数の和:1608

約数の個数: 108

約数和(自身を含む): 261490320

約数和(自身を除く): 180391140

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 17, 18, 20, 30, 34, 36, 45, 51, 60, 68, 85, 90, 102, 153, 170, 180, 204, 255, 289, 306, 340, 510, 578, 612, 765, 867, 1020, 1156, 1445, 1530, 1559, 1734, 2601, 2890, 3060, 3118, 3468, 4335, 4677, 5202, 5780, 6236, 7795, 8670, 9354, 10404, 13005, 14031, 15590, 17340, 18708, 23385, 26010, 26503, 28062, 31180, 46770, 52020, 53006, 56124, 70155, 79509, 93540, 106012, 132515, 140310, 159018, 238527, 265030, 280620, 318036, 397545, 450551, 477054, 530060, 795090, 901102, 954108, 1192635, 1351653, 1590180, 1802204, 2252755, 2385270, 2703306, 4054959, 4505510, 4770540, 5406612, 6758265, 8109918, 9011020, 13516530, 16219836, 20274795, 27033060, 40549590, 81099180]

約数ペア:

[(1, 81099180), (2, 40549590), (3, 27033060), (4, 20274795), (5, 16219836), (6, 13516530), (9, 9011020), (10, 8109918), (12, 6758265), (15, 5406612), (17, 4770540), (18, 4505510), (20, 4054959), (30, 2703306), (34, 2385270), (36, 2252755), (45, 1802204), (51, 1590180), (60, 1351653), (68, 1192635), (85, 954108), (90, 901102), (102, 795090), (153, 530060), (170, 477054), (180, 450551), (204, 397545), (255, 318036), (289, 280620), (306, 265030), (340, 238527), (510, 159018), (578, 140310), (612, 132515), (765, 106012), (867, 93540), (1020, 79509), (1156, 70155), (1445, 56124), (1530, 53006), (1559, 52020), (1734, 46770), (2601, 31180), (2890, 28062), (3060, 26503), (3118, 26010), (3468, 23385), (4335, 18708), (4677, 17340), (5202, 15590), (5780, 14031), (6236, 13005), (7795, 10404), (8670, 9354)]