66810240

素因数分解:

$2^7\times 3^2\times 5^1\times 7^1\times {\mathrm{1657}}^1$

素因数の和:1689

約数の個数: 192

約数和(自身を含む): 263820960

約数和(自身を除く): 197010720

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 16, 18, 20, 21, 24, 28, 30, 32, 35, 36, 40, 42, 45, 48, 56, 60, 63, 64, 70, 72, 80, 84, 90, 96, 105, 112, 120, 126, 128, 140, 144, 160, 168, 180, 192, 210, 224, 240, 252, 280, 288, 315, 320, 336, 360, 384, 420, 448, 480, 504, 560, 576, 630, 640, 672, 720, 840, 896, 960, 1008, 1120, 1152, 1260, 1344, 1440, 1657, 1680, 1920, 2016, 2240, 2520, 2688, 2880, 3314, 3360, 4032, 4480, 4971, 5040, 5760, 6628, 6720, 8064, 8285, 9942, 10080, 11599, 13256, 13440, 14913, 16570, 19884, 20160, 23198, 24855, 26512, 29826, 33140, 34797, 39768, 40320, 46396, 49710, 53024, 57995, 59652, 66280, 69594, 74565, 79536, 92792, 99420, 104391, 106048, 115990, 119304, 132560, 139188, 149130, 159072, 173985, 185584, 198840, 208782, 212096, 231980, 238608, 265120, 278376, 298260, 318144, 347970, 371168, 397680, 417564, 463960, 477216, 521955, 530240, 556752, 596520, 636288, 695940, 742336, 795360, 835128, 927920, 954432, 1043910, 1060480, 1113504, 1193040, 1391880, 1484672, 1590720, 1670256, 1855840, 1908864, 2087820, 2227008, 2386080, 2783760, 3181440, 3340512, 3711680, 4175640, 4454016, 4772160, 5567520, 6681024, 7423360, 8351280, 9544320, 11135040, 13362048, 16702560, 22270080, 33405120, 66810240]

約数ペア:

[(1, 66810240), (2, 33405120), (3, 22270080), (4, 16702560), (5, 13362048), (6, 11135040), (7, 9544320), (8, 8351280), (9, 7423360), (10, 6681024), (12, 5567520), (14, 4772160), (15, 4454016), (16, 4175640), (18, 3711680), (20, 3340512), (21, 3181440), (24, 2783760), (28, 2386080), (30, 2227008), (32, 2087820), (35, 1908864), (36, 1855840), (40, 1670256), (42, 1590720), (45, 1484672), (48, 1391880), (56, 1193040), (60, 1113504), (63, 1060480), (64, 1043910), (70, 954432), (72, 927920), (80, 835128), (84, 795360), (90, 742336), (96, 695940), (105, 636288), (112, 596520), (120, 556752), (126, 530240), (128, 521955), (140, 477216), (144, 463960), (160, 417564), (168, 397680), (180, 371168), (192, 347970), (210, 318144), (224, 298260), (240, 278376), (252, 265120), (280, 238608), (288, 231980), (315, 212096), (320, 208782), (336, 198840), (360, 185584), (384, 173985), (420, 159072), (448, 149130), (480, 139188), (504, 132560), (560, 119304), (576, 115990), (630, 106048), (640, 104391), (672, 99420), (720, 92792), (840, 79536), (896, 74565), (960, 69594), (1008, 66280), (1120, 59652), (1152, 57995), (1260, 53024), (1344, 49710), (1440, 46396), (1657, 40320), (1680, 39768), (1920, 34797), (2016, 33140), (2240, 29826), (2520, 26512), (2688, 24855), (2880, 23198), (3314, 20160), (3360, 19884), (4032, 16570), (4480, 14913), (4971, 13440), (5040, 13256), (5760, 11599), (6628, 10080), (6720, 9942), (8064, 8285)]