212640960

素因数分解:

$2^6\times 3^1\times 5^1\times 7^1\times {\mathrm{31643}}^1$

素因数の和:31670

約数の個数: 112

約数和(自身を含む): 771607296

約数和(自身を除く): 558966336

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 20, 21, 24, 28, 30, 32, 35, 40, 42, 48, 56, 60, 64, 70, 80, 84, 96, 105, 112, 120, 140, 160, 168, 192, 210, 224, 240, 280, 320, 336, 420, 448, 480, 560, 672, 840, 960, 1120, 1344, 1680, 2240, 3360, 6720, 31643, 63286, 94929, 126572, 158215, 189858, 221501, 253144, 316430, 379716, 443002, 474645, 506288, 632860, 664503, 759432, 886004, 949290, 1012576, 1107505, 1265720, 1329006, 1518864, 1772008, 1898580, 2025152, 2215010, 2531440, 2658012, 3037728, 3322515, 3544016, 3797160, 4430020, 5062880, 5316024, 6075456, 6645030, 7088032, 7594320, 8860040, 10125760, 10632048, 13290060, 14176064, 15188640, 17720080, 21264096, 26580120, 30377280, 35440160, 42528192, 53160240, 70880320, 106320480, 212640960]

約数ペア:

[(1, 212640960), (2, 106320480), (3, 70880320), (4, 53160240), (5, 42528192), (6, 35440160), (7, 30377280), (8, 26580120), (10, 21264096), (12, 17720080), (14, 15188640), (15, 14176064), (16, 13290060), (20, 10632048), (21, 10125760), (24, 8860040), (28, 7594320), (30, 7088032), (32, 6645030), (35, 6075456), (40, 5316024), (42, 5062880), (48, 4430020), (56, 3797160), (60, 3544016), (64, 3322515), (70, 3037728), (80, 2658012), (84, 2531440), (96, 2215010), (105, 2025152), (112, 1898580), (120, 1772008), (140, 1518864), (160, 1329006), (168, 1265720), (192, 1107505), (210, 1012576), (224, 949290), (240, 886004), (280, 759432), (320, 664503), (336, 632860), (420, 506288), (448, 474645), (480, 443002), (560, 379716), (672, 316430), (840, 253144), (960, 221501), (1120, 189858), (1344, 158215), (1680, 126572), (2240, 94929), (3360, 63286), (6720, 31643)]