128469880

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{53}}^1\times {\mathrm{787}}^1$

素因数の和:869

約数の個数: 128

約数和(自身を含む): 367649280

約数和(自身を除く): 239179400

約数列:

[1, 2, 4, 5, 7, 8, 10, 11, 14, 20, 22, 28, 35, 40, 44, 53, 55, 56, 70, 77, 88, 106, 110, 140, 154, 212, 220, 265, 280, 308, 371, 385, 424, 440, 530, 583, 616, 742, 770, 787, 1060, 1166, 1484, 1540, 1574, 1855, 2120, 2332, 2915, 2968, 3080, 3148, 3710, 3935, 4081, 4664, 5509, 5830, 6296, 7420, 7870, 8162, 8657, 11018, 11660, 14840, 15740, 16324, 17314, 20405, 22036, 23320, 27545, 31480, 32648, 34628, 40810, 41711, 43285, 44072, 55090, 60599, 69256, 81620, 83422, 86570, 110180, 121198, 163240, 166844, 173140, 208555, 220360, 242396, 291977, 302995, 333688, 346280, 417110, 458821, 484792, 583954, 605990, 834220, 917642, 1167908, 1211980, 1459885, 1668440, 1835284, 2294105, 2335816, 2423960, 2919770, 3211747, 3670568, 4588210, 5839540, 6423494, 9176420, 11679080, 12846988, 16058735, 18352840, 25693976, 32117470, 64234940, 128469880]

約数ペア:

[(1, 128469880), (2, 64234940), (4, 32117470), (5, 25693976), (7, 18352840), (8, 16058735), (10, 12846988), (11, 11679080), (14, 9176420), (20, 6423494), (22, 5839540), (28, 4588210), (35, 3670568), (40, 3211747), (44, 2919770), (53, 2423960), (55, 2335816), (56, 2294105), (70, 1835284), (77, 1668440), (88, 1459885), (106, 1211980), (110, 1167908), (140, 917642), (154, 834220), (212, 605990), (220, 583954), (265, 484792), (280, 458821), (308, 417110), (371, 346280), (385, 333688), (424, 302995), (440, 291977), (530, 242396), (583, 220360), (616, 208555), (742, 173140), (770, 166844), (787, 163240), (1060, 121198), (1166, 110180), (1484, 86570), (1540, 83422), (1574, 81620), (1855, 69256), (2120, 60599), (2332, 55090), (2915, 44072), (2968, 43285), (3080, 41711), (3148, 40810), (3710, 34628), (3935, 32648), (4081, 31480), (4664, 27545), (5509, 23320), (5830, 22036), (6296, 20405), (7420, 17314), (7870, 16324), (8162, 15740), (8657, 14840), (11018, 11660)]