1260491680

素因数分解:

$2^5\times 5^1\times 7^2\times {\mathrm{43}}^1\times {\mathrm{3739}}^1$

素因数の和:3811

約数の個数: 144

約数和(自身を含む): 3545609760

約数和(自身を除く): 2285118080

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 43, 49, 56, 70, 80, 86, 98, 112, 140, 160, 172, 196, 215, 224, 245, 280, 301, 344, 392, 430, 490, 560, 602, 688, 784, 860, 980, 1120, 1204, 1376, 1505, 1568, 1720, 1960, 2107, 2408, 3010, 3440, 3739, 3920, 4214, 4816, 6020, 6880, 7478, 7840, 8428, 9632, 10535, 12040, 14956, 16856, 18695, 21070, 24080, 26173, 29912, 33712, 37390, 42140, 48160, 52346, 59824, 67424, 74780, 84280, 104692, 119648, 130865, 149560, 160777, 168560, 183211, 209384, 261730, 299120, 321554, 337120, 366422, 418768, 523460, 598240, 643108, 732844, 803885, 837536, 916055, 1046920, 1125439, 1286216, 1465688, 1607770, 1832110, 2093840, 2250878, 2572432, 2931376, 3215540, 3664220, 4187680, 4501756, 5144864, 5627195, 5862752, 6431080, 7328440, 7878073, 9003512, 11254390, 12862160, 14656880, 15756146, 18007024, 22508780, 25724320, 29313760, 31512292, 36014048, 39390365, 45017560, 63024584, 78780730, 90035120, 126049168, 157561460, 180070240, 252098336, 315122920, 630245840, 1260491680]

約数ペア:

[(1, 1260491680), (2, 630245840), (4, 315122920), (5, 252098336), (7, 180070240), (8, 157561460), (10, 126049168), (14, 90035120), (16, 78780730), (20, 63024584), (28, 45017560), (32, 39390365), (35, 36014048), (40, 31512292), (43, 29313760), (49, 25724320), (56, 22508780), (70, 18007024), (80, 15756146), (86, 14656880), (98, 12862160), (112, 11254390), (140, 9003512), (160, 7878073), (172, 7328440), (196, 6431080), (215, 5862752), (224, 5627195), (245, 5144864), (280, 4501756), (301, 4187680), (344, 3664220), (392, 3215540), (430, 2931376), (490, 2572432), (560, 2250878), (602, 2093840), (688, 1832110), (784, 1607770), (860, 1465688), (980, 1286216), (1120, 1125439), (1204, 1046920), (1376, 916055), (1505, 837536), (1568, 803885), (1720, 732844), (1960, 643108), (2107, 598240), (2408, 523460), (3010, 418768), (3440, 366422), (3739, 337120), (3920, 321554), (4214, 299120), (4816, 261730), (6020, 209384), (6880, 183211), (7478, 168560), (7840, 160777), (8428, 149560), (9632, 130865), (10535, 119648), (12040, 104692), (14956, 84280), (16856, 74780), (18695, 67424), (21070, 59824), (24080, 52346), (26173, 48160), (29912, 42140), (33712, 37390)]