221178840

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{108421}}^1$

素因数の和:108452

約数の個数: 64

約数和(自身を含む): 702574560

約数和(自身を除く): 481395720

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 17, 20, 24, 30, 34, 40, 51, 60, 68, 85, 102, 120, 136, 170, 204, 255, 340, 408, 510, 680, 1020, 2040, 108421, 216842, 325263, 433684, 542105, 650526, 867368, 1084210, 1301052, 1626315, 1843157, 2168420, 2602104, 3252630, 3686314, 4336840, 5529471, 6505260, 7372628, 9215785, 11058942, 13010520, 14745256, 18431570, 22117884, 27647355, 36863140, 44235768, 55294710, 73726280, 110589420, 221178840]

約数ペア:

[(1, 221178840), (2, 110589420), (3, 73726280), (4, 55294710), (5, 44235768), (6, 36863140), (8, 27647355), (10, 22117884), (12, 18431570), (15, 14745256), (17, 13010520), (20, 11058942), (24, 9215785), (30, 7372628), (34, 6505260), (40, 5529471), (51, 4336840), (60, 3686314), (68, 3252630), (85, 2602104), (102, 2168420), (120, 1843157), (136, 1626315), (170, 1301052), (204, 1084210), (255, 867368), (340, 650526), (408, 542105), (510, 433684), (680, 325263), (1020, 216842), (2040, 108421)]