64996824580

素因数分解:

$2^2\times 5^1\times {\mathrm{43}}^2\times {\mathrm{73}}^1\times {\mathrm{24077}}^1$

素因数の和:24245

約数の個数: 72

約数和(自身を含む): 141661564632

約数和(自身を除く): 76664740052

約数列:

[1, 2, 4, 5, 10, 20, 43, 73, 86, 146, 172, 215, 292, 365, 430, 730, 860, 1460, 1849, 3139, 3698, 6278, 7396, 9245, 12556, 15695, 18490, 24077, 31390, 36980, 48154, 62780, 96308, 120385, 134977, 240770, 269954, 481540, 539908, 674885, 1035311, 1349770, 1757621, 2070622, 2699540, 3515242, 4141244, 5176555, 7030484, 8788105, 10353110, 17576210, 20706220, 35152420, 44518373, 75577703, 89036746, 151155406, 178073492, 222591865, 302310812, 377888515, 445183730, 755777030, 890367460, 1511554060, 3249841229, 6499682458, 12999364916, 16249206145, 32498412290, 64996824580]

約数ペア:

[(1, 64996824580), (2, 32498412290), (4, 16249206145), (5, 12999364916), (10, 6499682458), (20, 3249841229), (43, 1511554060), (73, 890367460), (86, 755777030), (146, 445183730), (172, 377888515), (215, 302310812), (292, 222591865), (365, 178073492), (430, 151155406), (730, 89036746), (860, 75577703), (1460, 44518373), (1849, 35152420), (3139, 20706220), (3698, 17576210), (6278, 10353110), (7396, 8788105), (9245, 7030484), (12556, 5176555), (15695, 4141244), (18490, 3515242), (24077, 2699540), (31390, 2070622), (36980, 1757621), (48154, 1349770), (62780, 1035311), (96308, 674885), (120385, 539908), (134977, 481540), (240770, 269954)]