2257680

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{409}}^1$

素因数の和:448

約数の個数: 80

約数和(自身を含む): 7320960

約数和(自身を除く): 5063280

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 23, 24, 30, 40, 46, 48, 60, 69, 80, 92, 115, 120, 138, 184, 230, 240, 276, 345, 368, 409, 460, 552, 690, 818, 920, 1104, 1227, 1380, 1636, 1840, 2045, 2454, 2760, 3272, 4090, 4908, 5520, 6135, 6544, 8180, 9407, 9816, 12270, 16360, 18814, 19632, 24540, 28221, 32720, 37628, 47035, 49080, 56442, 75256, 94070, 98160, 112884, 141105, 150512, 188140, 225768, 282210, 376280, 451536, 564420, 752560, 1128840, 2257680]

約数ペア:

[(1, 2257680), (2, 1128840), (3, 752560), (4, 564420), (5, 451536), (6, 376280), (8, 282210), (10, 225768), (12, 188140), (15, 150512), (16, 141105), (20, 112884), (23, 98160), (24, 94070), (30, 75256), (40, 56442), (46, 49080), (48, 47035), (60, 37628), (69, 32720), (80, 28221), (92, 24540), (115, 19632), (120, 18814), (138, 16360), (184, 12270), (230, 9816), (240, 9407), (276, 8180), (345, 6544), (368, 6135), (409, 5520), (460, 4908), (552, 4090), (690, 3272), (818, 2760), (920, 2454), (1104, 2045), (1227, 1840), (1380, 1636)]