81453600

素因数分解:

$2^5\times 3^5\times 5^2\times {\mathrm{419}}^1$

素因数の和:454

約数の個数: 216

約数和(自身を含む): 298574640

約数和(自身を除く): 217121040

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 25, 27, 30, 32, 36, 40, 45, 48, 50, 54, 60, 72, 75, 80, 81, 90, 96, 100, 108, 120, 135, 144, 150, 160, 162, 180, 200, 216, 225, 240, 243, 270, 288, 300, 324, 360, 400, 405, 419, 432, 450, 480, 486, 540, 600, 648, 675, 720, 800, 810, 838, 864, 900, 972, 1080, 1200, 1215, 1257, 1296, 1350, 1440, 1620, 1676, 1800, 1944, 2025, 2095, 2160, 2400, 2430, 2514, 2592, 2700, 3240, 3352, 3600, 3771, 3888, 4050, 4190, 4320, 4860, 5028, 5400, 6075, 6285, 6480, 6704, 7200, 7542, 7776, 8100, 8380, 9720, 10056, 10475, 10800, 11313, 12150, 12570, 12960, 13408, 15084, 16200, 16760, 18855, 19440, 20112, 20950, 21600, 22626, 24300, 25140, 30168, 31425, 32400, 33520, 33939, 37710, 38880, 40224, 41900, 45252, 48600, 50280, 56565, 60336, 62850, 64800, 67040, 67878, 75420, 83800, 90504, 94275, 97200, 100560, 101817, 113130, 120672, 125700, 135756, 150840, 167600, 169695, 181008, 188550, 194400, 201120, 203634, 226260, 251400, 271512, 282825, 301680, 335200, 339390, 362016, 377100, 407268, 452520, 502800, 509085, 543024, 565650, 603360, 678780, 754200, 814536, 848475, 905040, 1005600, 1018170, 1086048, 1131300, 1357560, 1508400, 1629072, 1696950, 1810080, 2036340, 2262600, 2545425, 2715120, 3016800, 3258144, 3393900, 4072680, 4525200, 5090850, 5430240, 6787800, 8145360, 9050400, 10181700, 13575600, 16290720, 20363400, 27151200, 40726800, 81453600]

約数ペア:

[(1, 81453600), (2, 40726800), (3, 27151200), (4, 20363400), (5, 16290720), (6, 13575600), (8, 10181700), (9, 9050400), (10, 8145360), (12, 6787800), (15, 5430240), (16, 5090850), (18, 4525200), (20, 4072680), (24, 3393900), (25, 3258144), (27, 3016800), (30, 2715120), (32, 2545425), (36, 2262600), (40, 2036340), (45, 1810080), (48, 1696950), (50, 1629072), (54, 1508400), (60, 1357560), (72, 1131300), (75, 1086048), (80, 1018170), (81, 1005600), (90, 905040), (96, 848475), (100, 814536), (108, 754200), (120, 678780), (135, 603360), (144, 565650), (150, 543024), (160, 509085), (162, 502800), (180, 452520), (200, 407268), (216, 377100), (225, 362016), (240, 339390), (243, 335200), (270, 301680), (288, 282825), (300, 271512), (324, 251400), (360, 226260), (400, 203634), (405, 201120), (419, 194400), (432, 188550), (450, 181008), (480, 169695), (486, 167600), (540, 150840), (600, 135756), (648, 125700), (675, 120672), (720, 113130), (800, 101817), (810, 100560), (838, 97200), (864, 94275), (900, 90504), (972, 83800), (1080, 75420), (1200, 67878), (1215, 67040), (1257, 64800), (1296, 62850), (1350, 60336), (1440, 56565), (1620, 50280), (1676, 48600), (1800, 45252), (1944, 41900), (2025, 40224), (2095, 38880), (2160, 37710), (2400, 33939), (2430, 33520), (2514, 32400), (2592, 31425), (2700, 30168), (3240, 25140), (3352, 24300), (3600, 22626), (3771, 21600), (3888, 20950), (4050, 20112), (4190, 19440), (4320, 18855), (4860, 16760), (5028, 16200), (5400, 15084), (6075, 13408), (6285, 12960), (6480, 12570), (6704, 12150), (7200, 11313), (7542, 10800), (7776, 10475), (8100, 10056), (8380, 9720)]