71408520

素因数分解:

$2^3\times 3^3\times 5^1\times {\mathrm{37}}^1\times {\mathrm{1787}}^1$

素因数の和:1844

約数の個数: 128

約数和(自身を含む): 244598400

約数和(自身を除く): 173189880

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 27, 30, 36, 37, 40, 45, 54, 60, 72, 74, 90, 108, 111, 120, 135, 148, 180, 185, 216, 222, 270, 296, 333, 360, 370, 444, 540, 555, 666, 740, 888, 999, 1080, 1110, 1332, 1480, 1665, 1787, 1998, 2220, 2664, 3330, 3574, 3996, 4440, 4995, 5361, 6660, 7148, 7992, 8935, 9990, 10722, 13320, 14296, 16083, 17870, 19980, 21444, 26805, 32166, 35740, 39960, 42888, 48249, 53610, 64332, 66119, 71480, 80415, 96498, 107220, 128664, 132238, 160830, 192996, 198357, 214440, 241245, 264476, 321660, 330595, 385992, 396714, 482490, 528952, 595071, 643320, 661190, 793428, 964980, 991785, 1190142, 1322380, 1586856, 1785213, 1929960, 1983570, 2380284, 2644760, 2975355, 3570426, 3967140, 4760568, 5950710, 7140852, 7934280, 8926065, 11901420, 14281704, 17852130, 23802840, 35704260, 71408520]

約数ペア:

[(1, 71408520), (2, 35704260), (3, 23802840), (4, 17852130), (5, 14281704), (6, 11901420), (8, 8926065), (9, 7934280), (10, 7140852), (12, 5950710), (15, 4760568), (18, 3967140), (20, 3570426), (24, 2975355), (27, 2644760), (30, 2380284), (36, 1983570), (37, 1929960), (40, 1785213), (45, 1586856), (54, 1322380), (60, 1190142), (72, 991785), (74, 964980), (90, 793428), (108, 661190), (111, 643320), (120, 595071), (135, 528952), (148, 482490), (180, 396714), (185, 385992), (216, 330595), (222, 321660), (270, 264476), (296, 241245), (333, 214440), (360, 198357), (370, 192996), (444, 160830), (540, 132238), (555, 128664), (666, 107220), (740, 96498), (888, 80415), (999, 71480), (1080, 66119), (1110, 64332), (1332, 53610), (1480, 48249), (1665, 42888), (1787, 39960), (1998, 35740), (2220, 32166), (2664, 26805), (3330, 21444), (3574, 19980), (3996, 17870), (4440, 16083), (4995, 14296), (5361, 13320), (6660, 10722), (7148, 9990), (7992, 8935)]