31167760

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{1303}}^1$

素因数の和:1352

約数の個数: 80

約数和(自身を含む): 81494784

約数和(自身を除く): 50327024

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 23, 26, 40, 46, 52, 65, 80, 92, 104, 115, 130, 184, 208, 230, 260, 299, 368, 460, 520, 598, 920, 1040, 1196, 1303, 1495, 1840, 2392, 2606, 2990, 4784, 5212, 5980, 6515, 10424, 11960, 13030, 16939, 20848, 23920, 26060, 29969, 33878, 52120, 59938, 67756, 84695, 104240, 119876, 135512, 149845, 169390, 239752, 271024, 299690, 338780, 389597, 479504, 599380, 677560, 779194, 1198760, 1355120, 1558388, 1947985, 2397520, 3116776, 3895970, 6233552, 7791940, 15583880, 31167760]

約数ペア:

[(1, 31167760), (2, 15583880), (4, 7791940), (5, 6233552), (8, 3895970), (10, 3116776), (13, 2397520), (16, 1947985), (20, 1558388), (23, 1355120), (26, 1198760), (40, 779194), (46, 677560), (52, 599380), (65, 479504), (80, 389597), (92, 338780), (104, 299690), (115, 271024), (130, 239752), (184, 169390), (208, 149845), (230, 135512), (260, 119876), (299, 104240), (368, 84695), (460, 67756), (520, 59938), (598, 52120), (920, 33878), (1040, 29969), (1196, 26060), (1303, 23920), (1495, 20848), (1840, 16939), (2392, 13030), (2606, 11960), (2990, 10424), (4784, 6515), (5212, 5980)]