31137860

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{41}}^1\times {\mathrm{127}}^1$

素因数の和:213

約数の個数: 96

約数和(自身を含む): 75866112

約数和(自身を除く): 44728252

約数列:

[1, 2, 4, 5, 10, 13, 20, 23, 26, 41, 46, 52, 65, 82, 92, 115, 127, 130, 164, 205, 230, 254, 260, 299, 410, 460, 508, 533, 598, 635, 820, 943, 1066, 1196, 1270, 1495, 1651, 1886, 2132, 2540, 2665, 2921, 2990, 3302, 3772, 4715, 5207, 5330, 5842, 5980, 6604, 8255, 9430, 10414, 10660, 11684, 12259, 14605, 16510, 18860, 20828, 24518, 26035, 29210, 33020, 37973, 49036, 52070, 58420, 61295, 67691, 75946, 104140, 119761, 122590, 135382, 151892, 189865, 239522, 245180, 270764, 338455, 379730, 479044, 598805, 676910, 759460, 1197610, 1353820, 1556893, 2395220, 3113786, 6227572, 7784465, 15568930, 31137860]

約数ペア:

[(1, 31137860), (2, 15568930), (4, 7784465), (5, 6227572), (10, 3113786), (13, 2395220), (20, 1556893), (23, 1353820), (26, 1197610), (41, 759460), (46, 676910), (52, 598805), (65, 479044), (82, 379730), (92, 338455), (115, 270764), (127, 245180), (130, 239522), (164, 189865), (205, 151892), (230, 135382), (254, 122590), (260, 119761), (299, 104140), (410, 75946), (460, 67691), (508, 61295), (533, 58420), (598, 52070), (635, 49036), (820, 37973), (943, 33020), (1066, 29210), (1196, 26035), (1270, 24518), (1495, 20828), (1651, 18860), (1886, 16510), (2132, 14605), (2540, 12259), (2665, 11684), (2921, 10660), (2990, 10414), (3302, 9430), (3772, 8255), (4715, 6604), (5207, 5980), (5330, 5842)]