391231680

素因数分解:

$2^6\times 3^1\times 5^1\times 7^2\times {\mathrm{8317}}^1$

素因数の和:8351

約数の個数: 168

約数和(自身を含む): 1445136048

約数和(自身を除く): 1053904368

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 20, 21, 24, 28, 30, 32, 35, 40, 42, 48, 49, 56, 60, 64, 70, 80, 84, 96, 98, 105, 112, 120, 140, 147, 160, 168, 192, 196, 210, 224, 240, 245, 280, 294, 320, 336, 392, 420, 448, 480, 490, 560, 588, 672, 735, 784, 840, 960, 980, 1120, 1176, 1344, 1470, 1568, 1680, 1960, 2240, 2352, 2940, 3136, 3360, 3920, 4704, 5880, 6720, 7840, 8317, 9408, 11760, 15680, 16634, 23520, 24951, 33268, 41585, 47040, 49902, 58219, 66536, 83170, 99804, 116438, 124755, 133072, 166340, 174657, 199608, 232876, 249510, 266144, 291095, 332680, 349314, 399216, 407533, 465752, 499020, 532288, 582190, 665360, 698628, 798432, 815066, 873285, 931504, 998040, 1164380, 1222599, 1330720, 1397256, 1596864, 1630132, 1746570, 1863008, 1996080, 2037665, 2328760, 2445198, 2661440, 2794512, 3260264, 3493140, 3726016, 3992160, 4075330, 4657520, 4890396, 5589024, 6112995, 6520528, 6986280, 7984320, 8150660, 9315040, 9780792, 11178048, 12225990, 13041056, 13972560, 16301320, 18630080, 19561584, 24451980, 26082112, 27945120, 32602640, 39123168, 48903960, 55890240, 65205280, 78246336, 97807920, 130410560, 195615840, 391231680]

約数ペア:

[(1, 391231680), (2, 195615840), (3, 130410560), (4, 97807920), (5, 78246336), (6, 65205280), (7, 55890240), (8, 48903960), (10, 39123168), (12, 32602640), (14, 27945120), (15, 26082112), (16, 24451980), (20, 19561584), (21, 18630080), (24, 16301320), (28, 13972560), (30, 13041056), (32, 12225990), (35, 11178048), (40, 9780792), (42, 9315040), (48, 8150660), (49, 7984320), (56, 6986280), (60, 6520528), (64, 6112995), (70, 5589024), (80, 4890396), (84, 4657520), (96, 4075330), (98, 3992160), (105, 3726016), (112, 3493140), (120, 3260264), (140, 2794512), (147, 2661440), (160, 2445198), (168, 2328760), (192, 2037665), (196, 1996080), (210, 1863008), (224, 1746570), (240, 1630132), (245, 1596864), (280, 1397256), (294, 1330720), (320, 1222599), (336, 1164380), (392, 998040), (420, 931504), (448, 873285), (480, 815066), (490, 798432), (560, 698628), (588, 665360), (672, 582190), (735, 532288), (784, 499020), (840, 465752), (960, 407533), (980, 399216), (1120, 349314), (1176, 332680), (1344, 291095), (1470, 266144), (1568, 249510), (1680, 232876), (1960, 199608), (2240, 174657), (2352, 166340), (2940, 133072), (3136, 124755), (3360, 116438), (3920, 99804), (4704, 83170), (5880, 66536), (6720, 58219), (7840, 49902), (8317, 47040), (9408, 41585), (11760, 33268), (15680, 24951), (16634, 23520)]