19644480

素因数分解:

$2^6\times 3^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{359}}^1$

素因数の和:401

約数の個数: 168

約数和(自身を含む): 71323200

約数和(自身を除く): 51678720

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 19, 20, 24, 30, 32, 36, 38, 40, 45, 48, 57, 60, 64, 72, 76, 80, 90, 95, 96, 114, 120, 144, 152, 160, 171, 180, 190, 192, 228, 240, 285, 288, 304, 320, 342, 359, 360, 380, 456, 480, 570, 576, 608, 684, 718, 720, 760, 855, 912, 960, 1077, 1140, 1216, 1368, 1436, 1440, 1520, 1710, 1795, 1824, 2154, 2280, 2736, 2872, 2880, 3040, 3231, 3420, 3590, 3648, 4308, 4560, 5385, 5472, 5744, 6080, 6462, 6821, 6840, 7180, 8616, 9120, 10770, 10944, 11488, 12924, 13642, 13680, 14360, 16155, 17232, 18240, 20463, 21540, 22976, 25848, 27284, 27360, 28720, 32310, 34105, 34464, 40926, 43080, 51696, 54568, 54720, 57440, 61389, 64620, 68210, 68928, 81852, 86160, 102315, 103392, 109136, 114880, 122778, 129240, 136420, 163704, 172320, 204630, 206784, 218272, 245556, 258480, 272840, 306945, 327408, 344640, 409260, 436544, 491112, 516960, 545680, 613890, 654816, 818520, 982224, 1033920, 1091360, 1227780, 1309632, 1637040, 1964448, 2182720, 2455560, 3274080, 3928896, 4911120, 6548160, 9822240, 19644480]

約数ペア:

[(1, 19644480), (2, 9822240), (3, 6548160), (4, 4911120), (5, 3928896), (6, 3274080), (8, 2455560), (9, 2182720), (10, 1964448), (12, 1637040), (15, 1309632), (16, 1227780), (18, 1091360), (19, 1033920), (20, 982224), (24, 818520), (30, 654816), (32, 613890), (36, 545680), (38, 516960), (40, 491112), (45, 436544), (48, 409260), (57, 344640), (60, 327408), (64, 306945), (72, 272840), (76, 258480), (80, 245556), (90, 218272), (95, 206784), (96, 204630), (114, 172320), (120, 163704), (144, 136420), (152, 129240), (160, 122778), (171, 114880), (180, 109136), (190, 103392), (192, 102315), (228, 86160), (240, 81852), (285, 68928), (288, 68210), (304, 64620), (320, 61389), (342, 57440), (359, 54720), (360, 54568), (380, 51696), (456, 43080), (480, 40926), (570, 34464), (576, 34105), (608, 32310), (684, 28720), (718, 27360), (720, 27284), (760, 25848), (855, 22976), (912, 21540), (960, 20463), (1077, 18240), (1140, 17232), (1216, 16155), (1368, 14360), (1436, 13680), (1440, 13642), (1520, 12924), (1710, 11488), (1795, 10944), (1824, 10770), (2154, 9120), (2280, 8616), (2736, 7180), (2872, 6840), (2880, 6821), (3040, 6462), (3231, 6080), (3420, 5744), (3590, 5472), (3648, 5385), (4308, 4560)]