78874880

素因数分解:

$2^8\times 5^1\times 7^1\times {\mathrm{8803}}^1$

素因数の和:8831

約数の個数: 72

約数和(自身を含む): 215944512

約数和(自身を除く): 137069632

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 56, 64, 70, 80, 112, 128, 140, 160, 224, 256, 280, 320, 448, 560, 640, 896, 1120, 1280, 1792, 2240, 4480, 8803, 8960, 17606, 35212, 44015, 61621, 70424, 88030, 123242, 140848, 176060, 246484, 281696, 308105, 352120, 492968, 563392, 616210, 704240, 985936, 1126784, 1232420, 1408480, 1971872, 2253568, 2464840, 2816960, 3943744, 4929680, 5633920, 7887488, 9859360, 11267840, 15774976, 19718720, 39437440, 78874880]

約数ペア:

[(1, 78874880), (2, 39437440), (4, 19718720), (5, 15774976), (7, 11267840), (8, 9859360), (10, 7887488), (14, 5633920), (16, 4929680), (20, 3943744), (28, 2816960), (32, 2464840), (35, 2253568), (40, 1971872), (56, 1408480), (64, 1232420), (70, 1126784), (80, 985936), (112, 704240), (128, 616210), (140, 563392), (160, 492968), (224, 352120), (256, 308105), (280, 281696), (320, 246484), (448, 176060), (560, 140848), (640, 123242), (896, 88030), (1120, 70424), (1280, 61621), (1792, 44015), (2240, 35212), (4480, 17606), (8803, 8960)]