77879520

素因数分解:

$2^5\times 3^2\times 5^1\times {\mathrm{54083}}^1$

素因数の和:54104

約数の個数: 72

約数和(自身を含む): 265768776

約数和(自身を除く): 187889256

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 32, 36, 40, 45, 48, 60, 72, 80, 90, 96, 120, 144, 160, 180, 240, 288, 360, 480, 720, 1440, 54083, 108166, 162249, 216332, 270415, 324498, 432664, 486747, 540830, 648996, 811245, 865328, 973494, 1081660, 1297992, 1622490, 1730656, 1946988, 2163320, 2433735, 2595984, 3244980, 3893976, 4326640, 4867470, 5191968, 6489960, 7787952, 8653280, 9734940, 12979920, 15575904, 19469880, 25959840, 38939760, 77879520]

約数ペア:

[(1, 77879520), (2, 38939760), (3, 25959840), (4, 19469880), (5, 15575904), (6, 12979920), (8, 9734940), (9, 8653280), (10, 7787952), (12, 6489960), (15, 5191968), (16, 4867470), (18, 4326640), (20, 3893976), (24, 3244980), (30, 2595984), (32, 2433735), (36, 2163320), (40, 1946988), (45, 1730656), (48, 1622490), (60, 1297992), (72, 1081660), (80, 973494), (90, 865328), (96, 811245), (120, 648996), (144, 540830), (160, 486747), (180, 432664), (240, 324498), (288, 270415), (360, 216332), (480, 162249), (720, 108166), (1440, 54083)]