81263640

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{41}}^1\times {\mathrm{83}}^1\times {\mathrm{199}}^1$

素因数の和:337

約数の個数: 128

約数和(自身を含む): 254016000

約数和(自身を除く): 172752360

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 41, 60, 82, 83, 120, 123, 164, 166, 199, 205, 246, 249, 328, 332, 398, 410, 415, 492, 498, 597, 615, 664, 796, 820, 830, 984, 995, 996, 1194, 1230, 1245, 1592, 1640, 1660, 1990, 1992, 2388, 2460, 2490, 2985, 3320, 3403, 3980, 4776, 4920, 4980, 5970, 6806, 7960, 8159, 9960, 10209, 11940, 13612, 16318, 16517, 17015, 20418, 23880, 24477, 27224, 32636, 33034, 34030, 40795, 40836, 48954, 49551, 51045, 65272, 66068, 68060, 81590, 81672, 82585, 97908, 99102, 102090, 122385, 132136, 136120, 163180, 165170, 195816, 198204, 204180, 244770, 247755, 326360, 330340, 396408, 408360, 489540, 495510, 660680, 677197, 979080, 991020, 1354394, 1982040, 2031591, 2708788, 3385985, 4063182, 5417576, 6771970, 8126364, 10157955, 13543940, 16252728, 20315910, 27087880, 40631820, 81263640]

約数ペア:

[(1, 81263640), (2, 40631820), (3, 27087880), (4, 20315910), (5, 16252728), (6, 13543940), (8, 10157955), (10, 8126364), (12, 6771970), (15, 5417576), (20, 4063182), (24, 3385985), (30, 2708788), (40, 2031591), (41, 1982040), (60, 1354394), (82, 991020), (83, 979080), (120, 677197), (123, 660680), (164, 495510), (166, 489540), (199, 408360), (205, 396408), (246, 330340), (249, 326360), (328, 247755), (332, 244770), (398, 204180), (410, 198204), (415, 195816), (492, 165170), (498, 163180), (597, 136120), (615, 132136), (664, 122385), (796, 102090), (820, 99102), (830, 97908), (984, 82585), (995, 81672), (996, 81590), (1194, 68060), (1230, 66068), (1245, 65272), (1592, 51045), (1640, 49551), (1660, 48954), (1990, 40836), (1992, 40795), (2388, 34030), (2460, 33034), (2490, 32636), (2985, 27224), (3320, 24477), (3403, 23880), (3980, 20418), (4776, 17015), (4920, 16517), (4980, 16318), (5970, 13612), (6806, 11940), (7960, 10209), (8159, 9960)]