42857220

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{67}}^1\times {\mathrm{1523}}^1$

素因数の和:1609

約数の個数: 96

約数和(自身を含む): 139281408

約数和(自身を除く): 96424188

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 60, 67, 70, 84, 105, 134, 140, 201, 210, 268, 335, 402, 420, 469, 670, 804, 938, 1005, 1340, 1407, 1523, 1876, 2010, 2345, 2814, 3046, 4020, 4569, 4690, 5628, 6092, 7035, 7615, 9138, 9380, 10661, 14070, 15230, 18276, 21322, 22845, 28140, 30460, 31983, 42644, 45690, 53305, 63966, 91380, 102041, 106610, 127932, 159915, 204082, 213220, 306123, 319830, 408164, 510205, 612246, 639660, 714287, 1020410, 1224492, 1428574, 1530615, 2040820, 2142861, 2857148, 3061230, 3571435, 4285722, 6122460, 7142870, 8571444, 10714305, 14285740, 21428610, 42857220]

約数ペア:

[(1, 42857220), (2, 21428610), (3, 14285740), (4, 10714305), (5, 8571444), (6, 7142870), (7, 6122460), (10, 4285722), (12, 3571435), (14, 3061230), (15, 2857148), (20, 2142861), (21, 2040820), (28, 1530615), (30, 1428574), (35, 1224492), (42, 1020410), (60, 714287), (67, 639660), (70, 612246), (84, 510205), (105, 408164), (134, 319830), (140, 306123), (201, 213220), (210, 204082), (268, 159915), (335, 127932), (402, 106610), (420, 102041), (469, 91380), (670, 63966), (804, 53305), (938, 45690), (1005, 42644), (1340, 31983), (1407, 30460), (1523, 28140), (1876, 22845), (2010, 21322), (2345, 18276), (2814, 15230), (3046, 14070), (4020, 10661), (4569, 9380), (4690, 9138), (5628, 7615), (6092, 7035)]