54671920

素因数分解:

$2^4\times 5^1\times {\mathrm{23}}^1\times {\mathrm{43}}^1\times {\mathrm{691}}^1$

素因数の和:770

約数の個数: 80

約数和(自身を含む): 135919872

約数和(自身を除く): 81247952

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 23, 40, 43, 46, 80, 86, 92, 115, 172, 184, 215, 230, 344, 368, 430, 460, 688, 691, 860, 920, 989, 1382, 1720, 1840, 1978, 2764, 3440, 3455, 3956, 4945, 5528, 6910, 7912, 9890, 11056, 13820, 15824, 15893, 19780, 27640, 29713, 31786, 39560, 55280, 59426, 63572, 79120, 79465, 118852, 127144, 148565, 158930, 237704, 254288, 297130, 317860, 475408, 594260, 635720, 683399, 1188520, 1271440, 1366798, 2377040, 2733596, 3416995, 5467192, 6833990, 10934384, 13667980, 27335960, 54671920]

約数ペア:

[(1, 54671920), (2, 27335960), (4, 13667980), (5, 10934384), (8, 6833990), (10, 5467192), (16, 3416995), (20, 2733596), (23, 2377040), (40, 1366798), (43, 1271440), (46, 1188520), (80, 683399), (86, 635720), (92, 594260), (115, 475408), (172, 317860), (184, 297130), (215, 254288), (230, 237704), (344, 158930), (368, 148565), (430, 127144), (460, 118852), (688, 79465), (691, 79120), (860, 63572), (920, 59426), (989, 55280), (1382, 39560), (1720, 31786), (1840, 29713), (1978, 27640), (2764, 19780), (3440, 15893), (3455, 15824), (3956, 13820), (4945, 11056), (5528, 9890), (6910, 7912)]