205855440

素因数分解:

$2^4\times 3^1\times 5^1\times 7^1\times {\mathrm{122533}}^1$

素因数の和:122556

約数の個数: 80

約数和(自身を含む): 729322368

約数和(自身を除く): 523466928

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, 122533, 245066, 367599, 490132, 612665, 735198, 857731, 980264, 1225330, 1470396, 1715462, 1837995, 1960528, 2450660, 2573193, 2940792, 3430924, 3675990, 4288655, 4901320, 5146386, 5881584, 6861848, 7351980, 8577310, 9802640, 10292772, 12865965, 13723696, 14703960, 17154620, 20585544, 25731930, 29407920, 34309240, 41171088, 51463860, 68618480, 102927720, 205855440]

約数ペア:

[(1, 205855440), (2, 102927720), (3, 68618480), (4, 51463860), (5, 41171088), (6, 34309240), (7, 29407920), (8, 25731930), (10, 20585544), (12, 17154620), (14, 14703960), (15, 13723696), (16, 12865965), (20, 10292772), (21, 9802640), (24, 8577310), (28, 7351980), (30, 6861848), (35, 5881584), (40, 5146386), (42, 4901320), (48, 4288655), (56, 3675990), (60, 3430924), (70, 2940792), (80, 2573193), (84, 2450660), (105, 1960528), (112, 1837995), (120, 1715462), (140, 1470396), (168, 1225330), (210, 980264), (240, 857731), (280, 735198), (336, 612665), (420, 490132), (560, 367599), (840, 245066), (1680, 122533)]