64193640

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{76421}}^1$

素因数の和:76442

約数の個数: 64

約数和(自身を含む): 220095360

約数和(自身を除く): 155901720

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, 105, 120, 140, 168, 210, 280, 420, 840, 76421, 152842, 229263, 305684, 382105, 458526, 534947, 611368, 764210, 917052, 1069894, 1146315, 1528420, 1604841, 1834104, 2139788, 2292630, 2674735, 3056840, 3209682, 4279576, 4585260, 5349470, 6419364, 8024205, 9170520, 10698940, 12838728, 16048410, 21397880, 32096820, 64193640]

約数ペア:

[(1, 64193640), (2, 32096820), (3, 21397880), (4, 16048410), (5, 12838728), (6, 10698940), (7, 9170520), (8, 8024205), (10, 6419364), (12, 5349470), (14, 4585260), (15, 4279576), (20, 3209682), (21, 3056840), (24, 2674735), (28, 2292630), (30, 2139788), (35, 1834104), (40, 1604841), (42, 1528420), (56, 1146315), (60, 1069894), (70, 917052), (84, 764210), (105, 611368), (120, 534947), (140, 458526), (168, 382105), (210, 305684), (280, 229263), (420, 152842), (840, 76421)]