176172640

素因数分解:

$2^5\times 5^1\times 7^2\times {\mathrm{23}}^1\times {\mathrm{977}}^1$

素因数の和:1029

約数の個数: 144

約数和(自身を含む): 505727712

約数和(自身を除く): 329555072

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 23, 28, 32, 35, 40, 46, 49, 56, 70, 80, 92, 98, 112, 115, 140, 160, 161, 184, 196, 224, 230, 245, 280, 322, 368, 392, 460, 490, 560, 644, 736, 784, 805, 920, 977, 980, 1120, 1127, 1288, 1568, 1610, 1840, 1954, 1960, 2254, 2576, 3220, 3680, 3908, 3920, 4508, 4885, 5152, 5635, 6440, 6839, 7816, 7840, 9016, 9770, 11270, 12880, 13678, 15632, 18032, 19540, 22471, 22540, 25760, 27356, 31264, 34195, 36064, 39080, 44942, 45080, 47873, 54712, 68390, 78160, 89884, 90160, 95746, 109424, 112355, 136780, 156320, 157297, 179768, 180320, 191492, 218848, 224710, 239365, 273560, 314594, 359536, 382984, 449420, 478730, 547120, 629188, 719072, 765968, 786485, 898840, 957460, 1094240, 1101079, 1258376, 1531936, 1572970, 1797680, 1914920, 2202158, 2516752, 3145940, 3595360, 3829840, 4404316, 5033504, 5505395, 6291880, 7659680, 8808632, 11010790, 12583760, 17617264, 22021580, 25167520, 35234528, 44043160, 88086320, 176172640]

約数ペア:

[(1, 176172640), (2, 88086320), (4, 44043160), (5, 35234528), (7, 25167520), (8, 22021580), (10, 17617264), (14, 12583760), (16, 11010790), (20, 8808632), (23, 7659680), (28, 6291880), (32, 5505395), (35, 5033504), (40, 4404316), (46, 3829840), (49, 3595360), (56, 3145940), (70, 2516752), (80, 2202158), (92, 1914920), (98, 1797680), (112, 1572970), (115, 1531936), (140, 1258376), (160, 1101079), (161, 1094240), (184, 957460), (196, 898840), (224, 786485), (230, 765968), (245, 719072), (280, 629188), (322, 547120), (368, 478730), (392, 449420), (460, 382984), (490, 359536), (560, 314594), (644, 273560), (736, 239365), (784, 224710), (805, 218848), (920, 191492), (977, 180320), (980, 179768), (1120, 157297), (1127, 156320), (1288, 136780), (1568, 112355), (1610, 109424), (1840, 95746), (1954, 90160), (1960, 89884), (2254, 78160), (2576, 68390), (3220, 54712), (3680, 47873), (3908, 45080), (3920, 44942), (4508, 39080), (4885, 36064), (5152, 34195), (5635, 31264), (6440, 27356), (6839, 25760), (7816, 22540), (7840, 22471), (9016, 19540), (9770, 18032), (11270, 15632), (12880, 13678)]