1294912920

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{101}}^1\times {\mathrm{15263}}^1$

素因数の和:15385

約数の個数: 128

約数和(自身を含む): 4483952640

約数和(自身を除く): 3189039720

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 20, 21, 24, 28, 30, 35, 40, 42, 56, 60, 70, 84, 101, 105, 120, 140, 168, 202, 210, 280, 303, 404, 420, 505, 606, 707, 808, 840, 1010, 1212, 1414, 1515, 2020, 2121, 2424, 2828, 3030, 3535, 4040, 4242, 5656, 6060, 7070, 8484, 10605, 12120, 14140, 15263, 16968, 21210, 28280, 30526, 42420, 45789, 61052, 76315, 84840, 91578, 106841, 122104, 152630, 183156, 213682, 228945, 305260, 320523, 366312, 427364, 457890, 534205, 610520, 641046, 854728, 915780, 1068410, 1282092, 1541563, 1602615, 1831560, 2136820, 2564184, 3083126, 3205230, 4273640, 4624689, 6166252, 6410460, 7707815, 9249378, 10790941, 12332504, 12820920, 15415630, 18498756, 21581882, 23123445, 30831260, 32372823, 36997512, 43163764, 46246890, 53954705, 61662520, 64745646, 86327528, 92493780, 107909410, 129491292, 161864115, 184987560, 215818820, 258982584, 323728230, 431637640, 647456460, 1294912920]

約数ペア:

[(1, 1294912920), (2, 647456460), (3, 431637640), (4, 323728230), (5, 258982584), (6, 215818820), (7, 184987560), (8, 161864115), (10, 129491292), (12, 107909410), (14, 92493780), (15, 86327528), (20, 64745646), (21, 61662520), (24, 53954705), (28, 46246890), (30, 43163764), (35, 36997512), (40, 32372823), (42, 30831260), (56, 23123445), (60, 21581882), (70, 18498756), (84, 15415630), (101, 12820920), (105, 12332504), (120, 10790941), (140, 9249378), (168, 7707815), (202, 6410460), (210, 6166252), (280, 4624689), (303, 4273640), (404, 3205230), (420, 3083126), (505, 2564184), (606, 2136820), (707, 1831560), (808, 1602615), (840, 1541563), (1010, 1282092), (1212, 1068410), (1414, 915780), (1515, 854728), (2020, 641046), (2121, 610520), (2424, 534205), (2828, 457890), (3030, 427364), (3535, 366312), (4040, 320523), (4242, 305260), (5656, 228945), (6060, 213682), (7070, 183156), (8484, 152630), (10605, 122104), (12120, 106841), (14140, 91578), (15263, 84840), (16968, 76315), (21210, 61052), (28280, 45789), (30526, 42420)]