191016840

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{9887}}^1$

素因数の和:9931

約数の個数: 128

約数和(自身を含む): 683458560

約数和(自身を除く): 492441720

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 20, 21, 23, 24, 28, 30, 35, 40, 42, 46, 56, 60, 69, 70, 84, 92, 105, 115, 120, 138, 140, 161, 168, 184, 210, 230, 276, 280, 322, 345, 420, 460, 483, 552, 644, 690, 805, 840, 920, 966, 1288, 1380, 1610, 1932, 2415, 2760, 3220, 3864, 4830, 6440, 9660, 9887, 19320, 19774, 29661, 39548, 49435, 59322, 69209, 79096, 98870, 118644, 138418, 148305, 197740, 207627, 227401, 237288, 276836, 296610, 346045, 395480, 415254, 454802, 553672, 593220, 682203, 692090, 830508, 909604, 1038135, 1137005, 1186440, 1364406, 1384180, 1591807, 1661016, 1819208, 2076270, 2274010, 2728812, 2768360, 3183614, 3411015, 4152540, 4548020, 4775421, 5457624, 6367228, 6822030, 7959035, 8305080, 9096040, 9550842, 12734456, 13644060, 15918070, 19101684, 23877105, 27288120, 31836140, 38203368, 47754210, 63672280, 95508420, 191016840]

約数ペア:

[(1, 191016840), (2, 95508420), (3, 63672280), (4, 47754210), (5, 38203368), (6, 31836140), (7, 27288120), (8, 23877105), (10, 19101684), (12, 15918070), (14, 13644060), (15, 12734456), (20, 9550842), (21, 9096040), (23, 8305080), (24, 7959035), (28, 6822030), (30, 6367228), (35, 5457624), (40, 4775421), (42, 4548020), (46, 4152540), (56, 3411015), (60, 3183614), (69, 2768360), (70, 2728812), (84, 2274010), (92, 2076270), (105, 1819208), (115, 1661016), (120, 1591807), (138, 1384180), (140, 1364406), (161, 1186440), (168, 1137005), (184, 1038135), (210, 909604), (230, 830508), (276, 692090), (280, 682203), (322, 593220), (345, 553672), (420, 454802), (460, 415254), (483, 395480), (552, 346045), (644, 296610), (690, 276836), (805, 237288), (840, 227401), (920, 207627), (966, 197740), (1288, 148305), (1380, 138418), (1610, 118644), (1932, 98870), (2415, 79096), (2760, 69209), (3220, 59322), (3864, 49435), (4830, 39548), (6440, 29661), (9660, 19774), (9887, 19320)]