1212300720

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{43}}^1\times {\mathrm{39157}}^1$

素因数の和:39219

約数の個数: 120

約数和(自身を含む): 4166097936

約数和(自身を除く): 2953797216

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 36, 40, 43, 45, 48, 60, 72, 80, 86, 90, 120, 129, 144, 172, 180, 215, 240, 258, 344, 360, 387, 430, 516, 645, 688, 720, 774, 860, 1032, 1290, 1548, 1720, 1935, 2064, 2580, 3096, 3440, 3870, 5160, 6192, 7740, 10320, 15480, 30960, 39157, 78314, 117471, 156628, 195785, 234942, 313256, 352413, 391570, 469884, 587355, 626512, 704826, 783140, 939768, 1174710, 1409652, 1566280, 1683751, 1762065, 1879536, 2349420, 2819304, 3132560, 3367502, 3524130, 4698840, 5051253, 5638608, 6735004, 7048260, 8418755, 9397680, 10102506, 13470008, 14096520, 15153759, 16837510, 20205012, 25256265, 26940016, 28193040, 30307518, 33675020, 40410024, 50512530, 60615036, 67350040, 75768795, 80820048, 101025060, 121230072, 134700080, 151537590, 202050120, 242460144, 303075180, 404100240, 606150360, 1212300720]

約数ペア:

[(1, 1212300720), (2, 606150360), (3, 404100240), (4, 303075180), (5, 242460144), (6, 202050120), (8, 151537590), (9, 134700080), (10, 121230072), (12, 101025060), (15, 80820048), (16, 75768795), (18, 67350040), (20, 60615036), (24, 50512530), (30, 40410024), (36, 33675020), (40, 30307518), (43, 28193040), (45, 26940016), (48, 25256265), (60, 20205012), (72, 16837510), (80, 15153759), (86, 14096520), (90, 13470008), (120, 10102506), (129, 9397680), (144, 8418755), (172, 7048260), (180, 6735004), (215, 5638608), (240, 5051253), (258, 4698840), (344, 3524130), (360, 3367502), (387, 3132560), (430, 2819304), (516, 2349420), (645, 1879536), (688, 1762065), (720, 1683751), (774, 1566280), (860, 1409652), (1032, 1174710), (1290, 939768), (1548, 783140), (1720, 704826), (1935, 626512), (2064, 587355), (2580, 469884), (3096, 391570), (3440, 352413), (3870, 313256), (5160, 234942), (6192, 195785), (7740, 156628), (10320, 117471), (15480, 78314), (30960, 39157)]