82286720

素因数分解:

$2^7\times 5^1\times {\mathrm{19}}^1\times {\mathrm{67}}^1\times {\mathrm{101}}^1$

素因数の和:206

約数の個数: 128

約数和(自身を含む): 212241600

約数和(自身を除く): 129954880

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 32, 38, 40, 64, 67, 76, 80, 95, 101, 128, 134, 152, 160, 190, 202, 268, 304, 320, 335, 380, 404, 505, 536, 608, 640, 670, 760, 808, 1010, 1072, 1216, 1273, 1340, 1520, 1616, 1919, 2020, 2144, 2432, 2546, 2680, 3040, 3232, 3838, 4040, 4288, 5092, 5360, 6080, 6365, 6464, 6767, 7676, 8080, 8576, 9595, 10184, 10720, 12160, 12730, 12928, 13534, 15352, 16160, 19190, 20368, 21440, 25460, 27068, 30704, 32320, 33835, 38380, 40736, 42880, 50920, 54136, 61408, 64640, 67670, 76760, 81472, 101840, 108272, 122816, 128573, 135340, 153520, 162944, 203680, 216544, 245632, 257146, 270680, 307040, 407360, 433088, 514292, 541360, 614080, 642865, 814720, 866176, 1028584, 1082720, 1228160, 1285730, 2057168, 2165440, 2571460, 4114336, 4330880, 5142920, 8228672, 10285840, 16457344, 20571680, 41143360, 82286720]

約数ペア:

[(1, 82286720), (2, 41143360), (4, 20571680), (5, 16457344), (8, 10285840), (10, 8228672), (16, 5142920), (19, 4330880), (20, 4114336), (32, 2571460), (38, 2165440), (40, 2057168), (64, 1285730), (67, 1228160), (76, 1082720), (80, 1028584), (95, 866176), (101, 814720), (128, 642865), (134, 614080), (152, 541360), (160, 514292), (190, 433088), (202, 407360), (268, 307040), (304, 270680), (320, 257146), (335, 245632), (380, 216544), (404, 203680), (505, 162944), (536, 153520), (608, 135340), (640, 128573), (670, 122816), (760, 108272), (808, 101840), (1010, 81472), (1072, 76760), (1216, 67670), (1273, 64640), (1340, 61408), (1520, 54136), (1616, 50920), (1919, 42880), (2020, 40736), (2144, 38380), (2432, 33835), (2546, 32320), (2680, 30704), (3040, 27068), (3232, 25460), (3838, 21440), (4040, 20368), (4288, 19190), (5092, 16160), (5360, 15352), (6080, 13534), (6365, 12928), (6464, 12730), (6767, 12160), (7676, 10720), (8080, 10184), (8576, 9595)]