131357640

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{3389}}^1$

素因数の和:3439

約数の個数: 128

約数和(自身を含む): 439344000

約数和(自身を除く): 307986360

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 17, 19, 20, 24, 30, 34, 38, 40, 51, 57, 60, 68, 76, 85, 95, 102, 114, 120, 136, 152, 170, 190, 204, 228, 255, 285, 323, 340, 380, 408, 456, 510, 570, 646, 680, 760, 969, 1020, 1140, 1292, 1615, 1938, 2040, 2280, 2584, 3230, 3389, 3876, 4845, 6460, 6778, 7752, 9690, 10167, 12920, 13556, 16945, 19380, 20334, 27112, 33890, 38760, 40668, 50835, 57613, 64391, 67780, 81336, 101670, 115226, 128782, 135560, 172839, 193173, 203340, 230452, 257564, 288065, 321955, 345678, 386346, 406680, 460904, 515128, 576130, 643910, 691356, 772692, 864195, 965865, 1094647, 1152260, 1287820, 1382712, 1545384, 1728390, 1931730, 2189294, 2304520, 2575640, 3283941, 3456780, 3863460, 4378588, 5473235, 6567882, 6913560, 7726920, 8757176, 10946470, 13135764, 16419705, 21892940, 26271528, 32839410, 43785880, 65678820, 131357640]

約数ペア:

[(1, 131357640), (2, 65678820), (3, 43785880), (4, 32839410), (5, 26271528), (6, 21892940), (8, 16419705), (10, 13135764), (12, 10946470), (15, 8757176), (17, 7726920), (19, 6913560), (20, 6567882), (24, 5473235), (30, 4378588), (34, 3863460), (38, 3456780), (40, 3283941), (51, 2575640), (57, 2304520), (60, 2189294), (68, 1931730), (76, 1728390), (85, 1545384), (95, 1382712), (102, 1287820), (114, 1152260), (120, 1094647), (136, 965865), (152, 864195), (170, 772692), (190, 691356), (204, 643910), (228, 576130), (255, 515128), (285, 460904), (323, 406680), (340, 386346), (380, 345678), (408, 321955), (456, 288065), (510, 257564), (570, 230452), (646, 203340), (680, 193173), (760, 172839), (969, 135560), (1020, 128782), (1140, 115226), (1292, 101670), (1615, 81336), (1938, 67780), (2040, 64391), (2280, 57613), (2584, 50835), (3230, 40668), (3389, 38760), (3876, 33890), (4845, 27112), (6460, 20334), (6778, 19380), (7752, 16945), (9690, 13556), (10167, 12920)]