77745920

素因数分解:

$2^8\times 5^1\times 7^1\times {\mathrm{8677}}^1$

素因数の和:8705

約数の個数: 72

約数和(自身を含む): 212853984

約数和(自身を除く): 135108064

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, 8677, 8960, 17354, 34708, 43385, 60739, 69416, 86770, 121478, 138832, 173540, 242956, 277664, 303695, 347080, 485912, 555328, 607390, 694160, 971824, 1110656, 1214780, 1388320, 1943648, 2221312, 2429560, 2776640, 3887296, 4859120, 5553280, 7774592, 9718240, 11106560, 15549184, 19436480, 38872960, 77745920]

約数ペア:

[(1, 77745920), (2, 38872960), (4, 19436480), (5, 15549184), (7, 11106560), (8, 9718240), (10, 7774592), (14, 5553280), (16, 4859120), (20, 3887296), (28, 2776640), (32, 2429560), (35, 2221312), (40, 1943648), (56, 1388320), (64, 1214780), (70, 1110656), (80, 971824), (112, 694160), (128, 607390), (140, 555328), (160, 485912), (224, 347080), (256, 303695), (280, 277664), (320, 242956), (448, 173540), (560, 138832), (640, 121478), (896, 86770), (1120, 69416), (1280, 60739), (1792, 43385), (2240, 34708), (4480, 17354), (8677, 8960)]