78966900

素因数分解:

$2^2\times 3^4\times 5^2\times {\mathrm{9749}}^1$

素因数の和:9775

約数の個数: 90

約数和(自身を含む): 256005750

約数和(自身を除く): 177038850

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 25, 27, 30, 36, 45, 50, 54, 60, 75, 81, 90, 100, 108, 135, 150, 162, 180, 225, 270, 300, 324, 405, 450, 540, 675, 810, 900, 1350, 1620, 2025, 2700, 4050, 8100, 9749, 19498, 29247, 38996, 48745, 58494, 87741, 97490, 116988, 146235, 175482, 194980, 243725, 263223, 292470, 350964, 438705, 487450, 526446, 584940, 731175, 789669, 877410, 974900, 1052892, 1316115, 1462350, 1579338, 1754820, 2193525, 2632230, 2924700, 3158676, 3948345, 4387050, 5264460, 6580575, 7896690, 8774100, 13161150, 15793380, 19741725, 26322300, 39483450, 78966900]

約数ペア:

[(1, 78966900), (2, 39483450), (3, 26322300), (4, 19741725), (5, 15793380), (6, 13161150), (9, 8774100), (10, 7896690), (12, 6580575), (15, 5264460), (18, 4387050), (20, 3948345), (25, 3158676), (27, 2924700), (30, 2632230), (36, 2193525), (45, 1754820), (50, 1579338), (54, 1462350), (60, 1316115), (75, 1052892), (81, 974900), (90, 877410), (100, 789669), (108, 731175), (135, 584940), (150, 526446), (162, 487450), (180, 438705), (225, 350964), (270, 292470), (300, 263223), (324, 243725), (405, 194980), (450, 175482), (540, 146235), (675, 116988), (810, 97490), (900, 87741), (1350, 58494), (1620, 48745), (2025, 38996), (2700, 29247), (4050, 19498), (8100, 9749)]