64790460

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{51421}}^1$

素因数の和:51443

約数の個数: 72

約数和(自身を含む): 224611296

約数和(自身を除く): 159820836

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 28, 30, 35, 36, 42, 45, 60, 63, 70, 84, 90, 105, 126, 140, 180, 210, 252, 315, 420, 630, 1260, 51421, 102842, 154263, 205684, 257105, 308526, 359947, 462789, 514210, 617052, 719894, 771315, 925578, 1028420, 1079841, 1439788, 1542630, 1799735, 1851156, 2159682, 2313945, 3085260, 3239523, 3599470, 4319364, 4627890, 5399205, 6479046, 7198940, 9255780, 10798410, 12958092, 16197615, 21596820, 32395230, 64790460]

約数ペア:

[(1, 64790460), (2, 32395230), (3, 21596820), (4, 16197615), (5, 12958092), (6, 10798410), (7, 9255780), (9, 7198940), (10, 6479046), (12, 5399205), (14, 4627890), (15, 4319364), (18, 3599470), (20, 3239523), (21, 3085260), (28, 2313945), (30, 2159682), (35, 1851156), (36, 1799735), (42, 1542630), (45, 1439788), (60, 1079841), (63, 1028420), (70, 925578), (84, 771315), (90, 719894), (105, 617052), (126, 514210), (140, 462789), (180, 359947), (210, 308526), (252, 257105), (315, 205684), (420, 154263), (630, 102842), (1260, 51421)]