12908560

素因数分解:

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

素因数の和:153

約数の個数: 120

約数和(自身を含む): 36258840

約数和(自身を除く): 23350280

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 37, 40, 49, 56, 70, 74, 80, 89, 98, 112, 140, 148, 178, 185, 196, 245, 259, 280, 296, 356, 370, 392, 445, 490, 518, 560, 592, 623, 712, 740, 784, 890, 980, 1036, 1246, 1295, 1424, 1480, 1780, 1813, 1960, 2072, 2492, 2590, 2960, 3115, 3293, 3560, 3626, 3920, 4144, 4361, 4984, 5180, 6230, 6586, 7120, 7252, 8722, 9065, 9968, 10360, 12460, 13172, 14504, 16465, 17444, 18130, 20720, 21805, 23051, 24920, 26344, 29008, 32930, 34888, 36260, 43610, 46102, 49840, 52688, 65860, 69776, 72520, 87220, 92204, 115255, 131720, 145040, 161357, 174440, 184408, 230510, 263440, 322714, 348880, 368816, 461020, 645428, 806785, 922040, 1290856, 1613570, 1844080, 2581712, 3227140, 6454280, 12908560]

約数ペア:

[(1, 12908560), (2, 6454280), (4, 3227140), (5, 2581712), (7, 1844080), (8, 1613570), (10, 1290856), (14, 922040), (16, 806785), (20, 645428), (28, 461020), (35, 368816), (37, 348880), (40, 322714), (49, 263440), (56, 230510), (70, 184408), (74, 174440), (80, 161357), (89, 145040), (98, 131720), (112, 115255), (140, 92204), (148, 87220), (178, 72520), (185, 69776), (196, 65860), (245, 52688), (259, 49840), (280, 46102), (296, 43610), (356, 36260), (370, 34888), (392, 32930), (445, 29008), (490, 26344), (518, 24920), (560, 23051), (592, 21805), (623, 20720), (712, 18130), (740, 17444), (784, 16465), (890, 14504), (980, 13172), (1036, 12460), (1246, 10360), (1295, 9968), (1424, 9065), (1480, 8722), (1780, 7252), (1813, 7120), (1960, 6586), (2072, 6230), (2492, 5180), (2590, 4984), (2960, 4361), (3115, 4144), (3293, 3920), (3560, 3626)]