2528156960

素因数分解:

$2^5\times 5^1\times 7^4\times {\mathrm{6581}}^1$

素因数の和:6624

約数の個数: 120

約数和(自身を含む): 6968876796

約数和(自身を除く): 4440719836

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 49, 56, 70, 80, 98, 112, 140, 160, 196, 224, 245, 280, 343, 392, 490, 560, 686, 784, 980, 1120, 1372, 1568, 1715, 1960, 2401, 2744, 3430, 3920, 4802, 5488, 6581, 6860, 7840, 9604, 10976, 12005, 13162, 13720, 19208, 24010, 26324, 27440, 32905, 38416, 46067, 48020, 52648, 54880, 65810, 76832, 92134, 96040, 105296, 131620, 184268, 192080, 210592, 230335, 263240, 322469, 368536, 384160, 460670, 526480, 644938, 737072, 921340, 1052960, 1289876, 1474144, 1612345, 1842680, 2257283, 2579752, 3224690, 3685360, 4514566, 5159504, 6449380, 7370720, 9029132, 10319008, 11286415, 12898760, 15800981, 18058264, 22572830, 25797520, 31601962, 36116528, 45145660, 51595040, 63203924, 72233056, 79004905, 90291320, 126407848, 158009810, 180582640, 252815696, 316019620, 361165280, 505631392, 632039240, 1264078480, 2528156960]

約数ペア:

[(1, 2528156960), (2, 1264078480), (4, 632039240), (5, 505631392), (7, 361165280), (8, 316019620), (10, 252815696), (14, 180582640), (16, 158009810), (20, 126407848), (28, 90291320), (32, 79004905), (35, 72233056), (40, 63203924), (49, 51595040), (56, 45145660), (70, 36116528), (80, 31601962), (98, 25797520), (112, 22572830), (140, 18058264), (160, 15800981), (196, 12898760), (224, 11286415), (245, 10319008), (280, 9029132), (343, 7370720), (392, 6449380), (490, 5159504), (560, 4514566), (686, 3685360), (784, 3224690), (980, 2579752), (1120, 2257283), (1372, 1842680), (1568, 1612345), (1715, 1474144), (1960, 1289876), (2401, 1052960), (2744, 921340), (3430, 737072), (3920, 644938), (4802, 526480), (5488, 460670), (6581, 384160), (6860, 368536), (7840, 322469), (9604, 263240), (10976, 230335), (12005, 210592), (13162, 192080), (13720, 184268), (19208, 131620), (24010, 105296), (26324, 96040), (27440, 92134), (32905, 76832), (38416, 65810), (46067, 54880), (48020, 52648)]