28247680

素因数分解:

$2^7\times 5^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{101}}^1$

素因数の和:162

約数の個数: 128

約数和(自身を含む): 74908800

約数和(自身を除く): 46661120

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 23, 32, 38, 40, 46, 64, 76, 80, 92, 95, 101, 115, 128, 152, 160, 184, 190, 202, 230, 304, 320, 368, 380, 404, 437, 460, 505, 608, 640, 736, 760, 808, 874, 920, 1010, 1216, 1472, 1520, 1616, 1748, 1840, 1919, 2020, 2185, 2323, 2432, 2944, 3040, 3232, 3496, 3680, 3838, 4040, 4370, 4646, 6080, 6464, 6992, 7360, 7676, 8080, 8740, 9292, 9595, 11615, 12160, 12928, 13984, 14720, 15352, 16160, 17480, 18584, 19190, 23230, 27968, 30704, 32320, 34960, 37168, 38380, 44137, 46460, 55936, 61408, 64640, 69920, 74336, 76760, 88274, 92920, 122816, 139840, 148672, 153520, 176548, 185840, 220685, 245632, 279680, 297344, 307040, 353096, 371680, 441370, 614080, 706192, 743360, 882740, 1228160, 1412384, 1486720, 1765480, 2824768, 3530960, 5649536, 7061920, 14123840, 28247680]

約数ペア:

[(1, 28247680), (2, 14123840), (4, 7061920), (5, 5649536), (8, 3530960), (10, 2824768), (16, 1765480), (19, 1486720), (20, 1412384), (23, 1228160), (32, 882740), (38, 743360), (40, 706192), (46, 614080), (64, 441370), (76, 371680), (80, 353096), (92, 307040), (95, 297344), (101, 279680), (115, 245632), (128, 220685), (152, 185840), (160, 176548), (184, 153520), (190, 148672), (202, 139840), (230, 122816), (304, 92920), (320, 88274), (368, 76760), (380, 74336), (404, 69920), (437, 64640), (460, 61408), (505, 55936), (608, 46460), (640, 44137), (736, 38380), (760, 37168), (808, 34960), (874, 32320), (920, 30704), (1010, 27968), (1216, 23230), (1472, 19190), (1520, 18584), (1616, 17480), (1748, 16160), (1840, 15352), (1919, 14720), (2020, 13984), (2185, 12928), (2323, 12160), (2432, 11615), (2944, 9595), (3040, 9292), (3232, 8740), (3496, 8080), (3680, 7676), (3838, 7360), (4040, 6992), (4370, 6464), (4646, 6080)]