77678720

素因数分解:

$2^7\times 5^1\times 7^2\times {\mathrm{2477}}^1$

素因数の和:2510

約数の個数: 96

約数和(自身を含む): 216106380

約数和(自身を除く): 138427660

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 49, 56, 64, 70, 80, 98, 112, 128, 140, 160, 196, 224, 245, 280, 320, 392, 448, 490, 560, 640, 784, 896, 980, 1120, 1568, 1960, 2240, 2477, 3136, 3920, 4480, 4954, 6272, 7840, 9908, 12385, 15680, 17339, 19816, 24770, 31360, 34678, 39632, 49540, 69356, 79264, 86695, 99080, 121373, 138712, 158528, 173390, 198160, 242746, 277424, 317056, 346780, 396320, 485492, 554848, 606865, 693560, 792640, 970984, 1109696, 1213730, 1387120, 1585280, 1941968, 2219392, 2427460, 2774240, 3883936, 4854920, 5548480, 7767872, 9709840, 11096960, 15535744, 19419680, 38839360, 77678720]

約数ペア:

[(1, 77678720), (2, 38839360), (4, 19419680), (5, 15535744), (7, 11096960), (8, 9709840), (10, 7767872), (14, 5548480), (16, 4854920), (20, 3883936), (28, 2774240), (32, 2427460), (35, 2219392), (40, 1941968), (49, 1585280), (56, 1387120), (64, 1213730), (70, 1109696), (80, 970984), (98, 792640), (112, 693560), (128, 606865), (140, 554848), (160, 485492), (196, 396320), (224, 346780), (245, 317056), (280, 277424), (320, 242746), (392, 198160), (448, 173390), (490, 158528), (560, 138712), (640, 121373), (784, 99080), (896, 86695), (980, 79264), (1120, 69356), (1568, 49540), (1960, 39632), (2240, 34678), (2477, 31360), (3136, 24770), (3920, 19816), (4480, 17339), (4954, 15680), (6272, 12385), (7840, 9908)]