72143680

素因数分解:

$2^6\times 5^1\times 7^2\times {\mathrm{43}}^1\times {\mathrm{107}}^1$

素因数の和:181

約数の個数: 168

約数和(自身を含む): 206398368

約数和(自身を除く): 134254688

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 43, 49, 56, 64, 70, 80, 86, 98, 107, 112, 140, 160, 172, 196, 214, 215, 224, 245, 280, 301, 320, 344, 392, 428, 430, 448, 490, 535, 560, 602, 688, 749, 784, 856, 860, 980, 1070, 1120, 1204, 1376, 1498, 1505, 1568, 1712, 1720, 1960, 2107, 2140, 2240, 2408, 2752, 2996, 3010, 3136, 3424, 3440, 3745, 3920, 4214, 4280, 4601, 4816, 5243, 5992, 6020, 6848, 6880, 7490, 7840, 8428, 8560, 9202, 9632, 10486, 10535, 11984, 12040, 13760, 14980, 15680, 16856, 17120, 18404, 19264, 20972, 21070, 23005, 23968, 24080, 26215, 29960, 32207, 33712, 34240, 36808, 41944, 42140, 46010, 47936, 48160, 52430, 59920, 64414, 67424, 73616, 83888, 84280, 92020, 96320, 104860, 119840, 128828, 134848, 147232, 161035, 167776, 168560, 184040, 209720, 225449, 239680, 257656, 294464, 322070, 335552, 337120, 368080, 419440, 450898, 515312, 644140, 674240, 736160, 838880, 901796, 1030624, 1127245, 1288280, 1472320, 1677760, 1803592, 2061248, 2254490, 2576560, 3607184, 4508980, 5153120, 7214368, 9017960, 10306240, 14428736, 18035920, 36071840, 72143680]

約数ペア:

[(1, 72143680), (2, 36071840), (4, 18035920), (5, 14428736), (7, 10306240), (8, 9017960), (10, 7214368), (14, 5153120), (16, 4508980), (20, 3607184), (28, 2576560), (32, 2254490), (35, 2061248), (40, 1803592), (43, 1677760), (49, 1472320), (56, 1288280), (64, 1127245), (70, 1030624), (80, 901796), (86, 838880), (98, 736160), (107, 674240), (112, 644140), (140, 515312), (160, 450898), (172, 419440), (196, 368080), (214, 337120), (215, 335552), (224, 322070), (245, 294464), (280, 257656), (301, 239680), (320, 225449), (344, 209720), (392, 184040), (428, 168560), (430, 167776), (448, 161035), (490, 147232), (535, 134848), (560, 128828), (602, 119840), (688, 104860), (749, 96320), (784, 92020), (856, 84280), (860, 83888), (980, 73616), (1070, 67424), (1120, 64414), (1204, 59920), (1376, 52430), (1498, 48160), (1505, 47936), (1568, 46010), (1712, 42140), (1720, 41944), (1960, 36808), (2107, 34240), (2140, 33712), (2240, 32207), (2408, 29960), (2752, 26215), (2996, 24080), (3010, 23968), (3136, 23005), (3424, 21070), (3440, 20972), (3745, 19264), (3920, 18404), (4214, 17120), (4280, 16856), (4601, 15680), (4816, 14980), (5243, 13760), (5992, 12040), (6020, 11984), (6848, 10535), (6880, 10486), (7490, 9632), (7840, 9202), (8428, 8560)]