71287440

素因数分解:

$2^4\times 3^1\times 5^1\times 7^1\times {\mathrm{42433}}^1$

素因数の和:42456

約数の個数: 80

約数和(自身を含む): 252567168

約数和(自身を除く): 181279728

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 20, 21, 24, 28, 30, 35, 40, 42, 48, 56, 60, 70, 80, 84, 105, 112, 120, 140, 168, 210, 240, 280, 336, 420, 560, 840, 1680, 42433, 84866, 127299, 169732, 212165, 254598, 297031, 339464, 424330, 509196, 594062, 636495, 678928, 848660, 891093, 1018392, 1188124, 1272990, 1485155, 1697320, 1782186, 2036784, 2376248, 2545980, 2970310, 3394640, 3564372, 4455465, 4752496, 5091960, 5940620, 7128744, 8910930, 10183920, 11881240, 14257488, 17821860, 23762480, 35643720, 71287440]

約数ペア:

[(1, 71287440), (2, 35643720), (3, 23762480), (4, 17821860), (5, 14257488), (6, 11881240), (7, 10183920), (8, 8910930), (10, 7128744), (12, 5940620), (14, 5091960), (15, 4752496), (16, 4455465), (20, 3564372), (21, 3394640), (24, 2970310), (28, 2545980), (30, 2376248), (35, 2036784), (40, 1782186), (42, 1697320), (48, 1485155), (56, 1272990), (60, 1188124), (70, 1018392), (80, 891093), (84, 848660), (105, 678928), (112, 636495), (120, 594062), (140, 509196), (168, 424330), (210, 339464), (240, 297031), (280, 254598), (336, 212165), (420, 169732), (560, 127299), (840, 84866), (1680, 42433)]