320687120

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{71}}^1\times {\mathrm{101}}^1$

素因数の和:241

約数の個数: 160

約数和(自身を含む): 841446144

約数和(自身を除く): 520759024

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 40, 43, 52, 65, 71, 80, 86, 101, 104, 130, 142, 172, 202, 208, 215, 260, 284, 344, 355, 404, 430, 505, 520, 559, 568, 688, 710, 808, 860, 923, 1010, 1040, 1118, 1136, 1313, 1420, 1616, 1720, 1846, 2020, 2236, 2626, 2795, 2840, 3053, 3440, 3692, 4040, 4343, 4472, 4615, 5252, 5590, 5680, 6106, 6565, 7171, 7384, 8080, 8686, 8944, 9230, 10504, 11180, 12212, 13130, 14342, 14768, 15265, 17372, 18460, 21008, 21715, 22360, 24424, 26260, 28684, 30530, 34744, 35855, 36920, 39689, 43430, 44720, 48848, 52520, 56459, 57368, 61060, 69488, 71710, 73840, 79378, 86860, 93223, 105040, 112918, 114736, 122120, 143420, 158756, 173720, 186446, 198445, 225836, 244240, 282295, 286840, 308353, 317512, 347440, 372892, 396890, 451672, 466115, 564590, 573680, 616706, 635024, 745784, 793780, 903344, 932230, 1129180, 1233412, 1491568, 1541765, 1587560, 1864460, 2258360, 2466824, 3083530, 3175120, 3728920, 4008589, 4516720, 4933648, 6167060, 7457840, 8017178, 12334120, 16034356, 20042945, 24668240, 32068712, 40085890, 64137424, 80171780, 160343560, 320687120]

約数ペア:

[(1, 320687120), (2, 160343560), (4, 80171780), (5, 64137424), (8, 40085890), (10, 32068712), (13, 24668240), (16, 20042945), (20, 16034356), (26, 12334120), (40, 8017178), (43, 7457840), (52, 6167060), (65, 4933648), (71, 4516720), (80, 4008589), (86, 3728920), (101, 3175120), (104, 3083530), (130, 2466824), (142, 2258360), (172, 1864460), (202, 1587560), (208, 1541765), (215, 1491568), (260, 1233412), (284, 1129180), (344, 932230), (355, 903344), (404, 793780), (430, 745784), (505, 635024), (520, 616706), (559, 573680), (568, 564590), (688, 466115), (710, 451672), (808, 396890), (860, 372892), (923, 347440), (1010, 317512), (1040, 308353), (1118, 286840), (1136, 282295), (1313, 244240), (1420, 225836), (1616, 198445), (1720, 186446), (1846, 173720), (2020, 158756), (2236, 143420), (2626, 122120), (2795, 114736), (2840, 112918), (3053, 105040), (3440, 93223), (3692, 86860), (4040, 79378), (4343, 73840), (4472, 71710), (4615, 69488), (5252, 61060), (5590, 57368), (5680, 56459), (6106, 52520), (6565, 48848), (7171, 44720), (7384, 43430), (8080, 39689), (8686, 36920), (8944, 35855), (9230, 34744), (10504, 30530), (11180, 28684), (12212, 26260), (13130, 24424), (14342, 22360), (14768, 21715), (15265, 21008), (17372, 18460)]