71455440

素因数分解:

$2^4\times 3^1\times 5^1\times 7^1\times {\mathrm{42533}}^1$

素因数の和:42556

約数の個数: 80

約数和(自身を含む): 253162368

約数和(自身を除く): 181706928

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, 42533, 85066, 127599, 170132, 212665, 255198, 297731, 340264, 425330, 510396, 595462, 637995, 680528, 850660, 893193, 1020792, 1190924, 1275990, 1488655, 1701320, 1786386, 2041584, 2381848, 2551980, 2977310, 3402640, 3572772, 4465965, 4763696, 5103960, 5954620, 7145544, 8931930, 10207920, 11909240, 14291088, 17863860, 23818480, 35727720, 71455440]

約数ペア:

[(1, 71455440), (2, 35727720), (3, 23818480), (4, 17863860), (5, 14291088), (6, 11909240), (7, 10207920), (8, 8931930), (10, 7145544), (12, 5954620), (14, 5103960), (15, 4763696), (16, 4465965), (20, 3572772), (21, 3402640), (24, 2977310), (28, 2551980), (30, 2381848), (35, 2041584), (40, 1786386), (42, 1701320), (48, 1488655), (56, 1275990), (60, 1190924), (70, 1020792), (80, 893193), (84, 850660), (105, 680528), (112, 637995), (120, 595462), (140, 510396), (168, 425330), (210, 340264), (240, 297731), (280, 255198), (336, 212665), (420, 170132), (560, 127599), (840, 85066), (1680, 42533)]