54778920

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{65213}}^1$

素因数の和:65234

約数の個数: 64

約数和(自身を含む): 187816320

約数和(自身を除く): 133037400

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, 65213, 130426, 195639, 260852, 326065, 391278, 456491, 521704, 652130, 782556, 912982, 978195, 1304260, 1369473, 1565112, 1825964, 1956390, 2282455, 2608520, 2738946, 3651928, 3912780, 4564910, 5477892, 6847365, 7825560, 9129820, 10955784, 13694730, 18259640, 27389460, 54778920]

約数ペア:

[(1, 54778920), (2, 27389460), (3, 18259640), (4, 13694730), (5, 10955784), (6, 9129820), (7, 7825560), (8, 6847365), (10, 5477892), (12, 4564910), (14, 3912780), (15, 3651928), (20, 2738946), (21, 2608520), (24, 2282455), (28, 1956390), (30, 1825964), (35, 1565112), (40, 1369473), (42, 1304260), (56, 978195), (60, 912982), (70, 782556), (84, 652130), (105, 521704), (120, 456491), (140, 391278), (168, 326065), (210, 260852), (280, 195639), (420, 130426), (840, 65213)]