38240720

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{2969}}^1$

素因数の和:3012

約数の個数: 80

約数和(自身を含む): 106064640

約数和(自身を除く): 67823920

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 23, 28, 35, 40, 46, 56, 70, 80, 92, 112, 115, 140, 161, 184, 230, 280, 322, 368, 460, 560, 644, 805, 920, 1288, 1610, 1840, 2576, 2969, 3220, 5938, 6440, 11876, 12880, 14845, 20783, 23752, 29690, 41566, 47504, 59380, 68287, 83132, 103915, 118760, 136574, 166264, 207830, 237520, 273148, 332528, 341435, 415660, 478009, 546296, 682870, 831320, 956018, 1092592, 1365740, 1662640, 1912036, 2390045, 2731480, 3824072, 4780090, 5462960, 7648144, 9560180, 19120360, 38240720]

約数ペア:

[(1, 38240720), (2, 19120360), (4, 9560180), (5, 7648144), (7, 5462960), (8, 4780090), (10, 3824072), (14, 2731480), (16, 2390045), (20, 1912036), (23, 1662640), (28, 1365740), (35, 1092592), (40, 956018), (46, 831320), (56, 682870), (70, 546296), (80, 478009), (92, 415660), (112, 341435), (115, 332528), (140, 273148), (161, 237520), (184, 207830), (230, 166264), (280, 136574), (322, 118760), (368, 103915), (460, 83132), (560, 68287), (644, 59380), (805, 47504), (920, 41566), (1288, 29690), (1610, 23752), (1840, 20783), (2576, 14845), (2969, 12880), (3220, 11876), (5938, 6440)]