189388680

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{121403}}^1$

素因数の和:121430

約数の個数: 64

約数和(自身を含む): 611876160

約数和(自身を除く): 422487480

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 13, 15, 20, 24, 26, 30, 39, 40, 52, 60, 65, 78, 104, 120, 130, 156, 195, 260, 312, 390, 520, 780, 1560, 121403, 242806, 364209, 485612, 607015, 728418, 971224, 1214030, 1456836, 1578239, 1821045, 2428060, 2913672, 3156478, 3642090, 4734717, 4856120, 6312956, 7284180, 7891195, 9469434, 12625912, 14568360, 15782390, 18938868, 23673585, 31564780, 37877736, 47347170, 63129560, 94694340, 189388680]

約数ペア:

[(1, 189388680), (2, 94694340), (3, 63129560), (4, 47347170), (5, 37877736), (6, 31564780), (8, 23673585), (10, 18938868), (12, 15782390), (13, 14568360), (15, 12625912), (20, 9469434), (24, 7891195), (26, 7284180), (30, 6312956), (39, 4856120), (40, 4734717), (52, 3642090), (60, 3156478), (65, 2913672), (78, 2428060), (104, 1821045), (120, 1578239), (130, 1456836), (156, 1214030), (195, 971224), (260, 728418), (312, 607015), (390, 485612), (520, 364209), (780, 242806), (1560, 121403)]