123454880

素因数分解:

$2^5\times 5^1\times {\mathrm{79}}^1\times {\mathrm{9767}}^1$

素因数の和:9861

約数の個数: 48

約数和(自身を含む): 295384320

約数和(自身を除く): 171929440

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 79, 80, 158, 160, 316, 395, 632, 790, 1264, 1580, 2528, 3160, 6320, 9767, 12640, 19534, 39068, 48835, 78136, 97670, 156272, 195340, 312544, 390680, 771593, 781360, 1543186, 1562720, 3086372, 3857965, 6172744, 7715930, 12345488, 15431860, 24690976, 30863720, 61727440, 123454880]

約数ペア:

[(1, 123454880), (2, 61727440), (4, 30863720), (5, 24690976), (8, 15431860), (10, 12345488), (16, 7715930), (20, 6172744), (32, 3857965), (40, 3086372), (79, 1562720), (80, 1543186), (158, 781360), (160, 771593), (316, 390680), (395, 312544), (632, 195340), (790, 156272), (1264, 97670), (1580, 78136), (2528, 48835), (3160, 39068), (6320, 19534), (9767, 12640)]