272461520

素因数分解:

$2^4\times 5^1\times {\mathrm{19}}^1\times {\mathrm{79}}^1\times {\mathrm{2269}}^1$

素因数の和:2380

約数の個数: 80

約数和(自身を含む): 675552000

約数和(自身を除く): 403090480

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 38, 40, 76, 79, 80, 95, 152, 158, 190, 304, 316, 380, 395, 632, 760, 790, 1264, 1501, 1520, 1580, 2269, 3002, 3160, 4538, 6004, 6320, 7505, 9076, 11345, 12008, 15010, 18152, 22690, 24016, 30020, 36304, 43111, 45380, 60040, 86222, 90760, 120080, 172444, 179251, 181520, 215555, 344888, 358502, 431110, 689776, 717004, 862220, 896255, 1434008, 1724440, 1792510, 2868016, 3405769, 3448880, 3585020, 6811538, 7170040, 13623076, 14340080, 17028845, 27246152, 34057690, 54492304, 68115380, 136230760, 272461520]

約数ペア:

[(1, 272461520), (2, 136230760), (4, 68115380), (5, 54492304), (8, 34057690), (10, 27246152), (16, 17028845), (19, 14340080), (20, 13623076), (38, 7170040), (40, 6811538), (76, 3585020), (79, 3448880), (80, 3405769), (95, 2868016), (152, 1792510), (158, 1724440), (190, 1434008), (304, 896255), (316, 862220), (380, 717004), (395, 689776), (632, 431110), (760, 358502), (790, 344888), (1264, 215555), (1501, 181520), (1520, 179251), (1580, 172444), (2269, 120080), (3002, 90760), (3160, 86222), (4538, 60040), (6004, 45380), (6320, 43111), (7505, 36304), (9076, 30020), (11345, 24016), (12008, 22690), (15010, 18152)]