1378079360

素因数分解:

$2^7\times 5^1\times 7^1\times {\mathrm{139}}^1\times {\mathrm{2213}}^1$

素因数の和:2378

約数の個数: 128

約数和(自身を含む): 3793910400

約数和(自身を除く): 2415831040

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 56, 64, 70, 80, 112, 128, 139, 140, 160, 224, 278, 280, 320, 448, 556, 560, 640, 695, 896, 973, 1112, 1120, 1390, 1946, 2213, 2224, 2240, 2780, 3892, 4426, 4448, 4480, 4865, 5560, 7784, 8852, 8896, 9730, 11065, 11120, 15491, 15568, 17704, 17792, 19460, 22130, 22240, 30982, 31136, 35408, 38920, 44260, 44480, 61964, 62272, 70816, 77455, 77840, 88520, 88960, 123928, 124544, 141632, 154910, 155680, 177040, 247856, 283264, 307607, 309820, 311360, 354080, 495712, 615214, 619640, 622720, 708160, 991424, 1230428, 1239280, 1416320, 1538035, 1982848, 2153249, 2460856, 2478560, 3076070, 4306498, 4921712, 4957120, 6152140, 8612996, 9843424, 9914240, 10766245, 12304280, 17225992, 19686848, 21532490, 24608560, 34451984, 39373696, 43064980, 49217120, 68903968, 86129960, 98434240, 137807936, 172259920, 196868480, 275615872, 344519840, 689039680, 1378079360]

約数ペア:

[(1, 1378079360), (2, 689039680), (4, 344519840), (5, 275615872), (7, 196868480), (8, 172259920), (10, 137807936), (14, 98434240), (16, 86129960), (20, 68903968), (28, 49217120), (32, 43064980), (35, 39373696), (40, 34451984), (56, 24608560), (64, 21532490), (70, 19686848), (80, 17225992), (112, 12304280), (128, 10766245), (139, 9914240), (140, 9843424), (160, 8612996), (224, 6152140), (278, 4957120), (280, 4921712), (320, 4306498), (448, 3076070), (556, 2478560), (560, 2460856), (640, 2153249), (695, 1982848), (896, 1538035), (973, 1416320), (1112, 1239280), (1120, 1230428), (1390, 991424), (1946, 708160), (2213, 622720), (2224, 619640), (2240, 615214), (2780, 495712), (3892, 354080), (4426, 311360), (4448, 309820), (4480, 307607), (4865, 283264), (5560, 247856), (7784, 177040), (8852, 155680), (8896, 154910), (9730, 141632), (11065, 124544), (11120, 123928), (15491, 88960), (15568, 88520), (17704, 77840), (17792, 77455), (19460, 70816), (22130, 62272), (22240, 61964), (30982, 44480), (31136, 44260), (35408, 38920)]