64542800

素因数分解:

$2^4\times 5^2\times 7^2\times {\mathrm{37}}^1\times {\mathrm{89}}^1$

素因数の和:158

約数の個数: 180

約数和(自身を含む): 187337340

約数和(自身を除く): 122794540

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 25, 28, 35, 37, 40, 49, 50, 56, 70, 74, 80, 89, 98, 100, 112, 140, 148, 175, 178, 185, 196, 200, 245, 259, 280, 296, 350, 356, 370, 392, 400, 445, 490, 518, 560, 592, 623, 700, 712, 740, 784, 890, 925, 980, 1036, 1225, 1246, 1295, 1400, 1424, 1480, 1780, 1813, 1850, 1960, 2072, 2225, 2450, 2492, 2590, 2800, 2960, 3115, 3293, 3560, 3626, 3700, 3920, 4144, 4361, 4450, 4900, 4984, 5180, 6230, 6475, 6586, 7120, 7252, 7400, 8722, 8900, 9065, 9800, 9968, 10360, 12460, 12950, 13172, 14504, 14800, 15575, 16465, 17444, 17800, 18130, 19600, 20720, 21805, 23051, 24920, 25900, 26344, 29008, 31150, 32930, 34888, 35600, 36260, 43610, 45325, 46102, 49840, 51800, 52688, 62300, 65860, 69776, 72520, 82325, 87220, 90650, 92204, 103600, 109025, 115255, 124600, 131720, 145040, 161357, 164650, 174440, 181300, 184408, 218050, 230510, 249200, 263440, 322714, 329300, 348880, 362600, 368816, 436100, 461020, 576275, 645428, 658600, 725200, 806785, 872200, 922040, 1152550, 1290856, 1317200, 1613570, 1744400, 1844080, 2305100, 2581712, 3227140, 4033925, 4610200, 6454280, 8067850, 9220400, 12908560, 16135700, 32271400, 64542800]

約数ペア:

[(1, 64542800), (2, 32271400), (4, 16135700), (5, 12908560), (7, 9220400), (8, 8067850), (10, 6454280), (14, 4610200), (16, 4033925), (20, 3227140), (25, 2581712), (28, 2305100), (35, 1844080), (37, 1744400), (40, 1613570), (49, 1317200), (50, 1290856), (56, 1152550), (70, 922040), (74, 872200), (80, 806785), (89, 725200), (98, 658600), (100, 645428), (112, 576275), (140, 461020), (148, 436100), (175, 368816), (178, 362600), (185, 348880), (196, 329300), (200, 322714), (245, 263440), (259, 249200), (280, 230510), (296, 218050), (350, 184408), (356, 181300), (370, 174440), (392, 164650), (400, 161357), (445, 145040), (490, 131720), (518, 124600), (560, 115255), (592, 109025), (623, 103600), (700, 92204), (712, 90650), (740, 87220), (784, 82325), (890, 72520), (925, 69776), (980, 65860), (1036, 62300), (1225, 52688), (1246, 51800), (1295, 49840), (1400, 46102), (1424, 45325), (1480, 43610), (1780, 36260), (1813, 35600), (1850, 34888), (1960, 32930), (2072, 31150), (2225, 29008), (2450, 26344), (2492, 25900), (2590, 24920), (2800, 23051), (2960, 21805), (3115, 20720), (3293, 19600), (3560, 18130), (3626, 17800), (3700, 17444), (3920, 16465), (4144, 15575), (4361, 14800), (4450, 14504), (4900, 13172), (4984, 12950), (5180, 12460), (6230, 10360), (6475, 9968), (6586, 9800), (7120, 9065), (7252, 8900), (7400, 8722)]