78278480

素因数分解:

$2^4\times 5^1\times 7^2\times {\mathrm{19}}^1\times {\mathrm{1051}}^1$

素因数の和:1097

約数の個数: 120

約数和(自身を含む): 223066080

約数和(自身を除く): 144787600

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 19, 20, 28, 35, 38, 40, 49, 56, 70, 76, 80, 95, 98, 112, 133, 140, 152, 190, 196, 245, 266, 280, 304, 380, 392, 490, 532, 560, 665, 760, 784, 931, 980, 1051, 1064, 1330, 1520, 1862, 1960, 2102, 2128, 2660, 3724, 3920, 4204, 4655, 5255, 5320, 7357, 7448, 8408, 9310, 10510, 10640, 14714, 14896, 16816, 18620, 19969, 21020, 29428, 36785, 37240, 39938, 42040, 51499, 58856, 73570, 74480, 79876, 84080, 99845, 102998, 117712, 139783, 147140, 159752, 199690, 205996, 257495, 279566, 294280, 319504, 399380, 411992, 514990, 559132, 588560, 698915, 798760, 823984, 978481, 1029980, 1118264, 1397830, 1597520, 1956962, 2059960, 2236528, 2795660, 3913924, 4119920, 4892405, 5591320, 7827848, 9784810, 11182640, 15655696, 19569620, 39139240, 78278480]

約数ペア:

[(1, 78278480), (2, 39139240), (4, 19569620), (5, 15655696), (7, 11182640), (8, 9784810), (10, 7827848), (14, 5591320), (16, 4892405), (19, 4119920), (20, 3913924), (28, 2795660), (35, 2236528), (38, 2059960), (40, 1956962), (49, 1597520), (56, 1397830), (70, 1118264), (76, 1029980), (80, 978481), (95, 823984), (98, 798760), (112, 698915), (133, 588560), (140, 559132), (152, 514990), (190, 411992), (196, 399380), (245, 319504), (266, 294280), (280, 279566), (304, 257495), (380, 205996), (392, 199690), (490, 159752), (532, 147140), (560, 139783), (665, 117712), (760, 102998), (784, 99845), (931, 84080), (980, 79876), (1051, 74480), (1064, 73570), (1330, 58856), (1520, 51499), (1862, 42040), (1960, 39938), (2102, 37240), (2128, 36785), (2660, 29428), (3724, 21020), (3920, 19969), (4204, 18620), (4655, 16816), (5255, 14896), (5320, 14714), (7357, 10640), (7448, 10510), (8408, 9310)]