84778240

素因数分解:

$2^8\times 5^1\times {\mathrm{107}}^1\times {\mathrm{619}}^1$

素因数の和:747

約数の個数: 72

約数和(自身を含む): 205299360

約数和(自身を除く): 120521120

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 107, 128, 160, 214, 256, 320, 428, 535, 619, 640, 856, 1070, 1238, 1280, 1712, 2140, 2476, 3095, 3424, 4280, 4952, 6190, 6848, 8560, 9904, 12380, 13696, 17120, 19808, 24760, 27392, 34240, 39616, 49520, 66233, 68480, 79232, 99040, 132466, 136960, 158464, 198080, 264932, 331165, 396160, 529864, 662330, 792320, 1059728, 1324660, 2119456, 2649320, 4238912, 5298640, 8477824, 10597280, 16955648, 21194560, 42389120, 84778240]

約数ペア:

[(1, 84778240), (2, 42389120), (4, 21194560), (5, 16955648), (8, 10597280), (10, 8477824), (16, 5298640), (20, 4238912), (32, 2649320), (40, 2119456), (64, 1324660), (80, 1059728), (107, 792320), (128, 662330), (160, 529864), (214, 396160), (256, 331165), (320, 264932), (428, 198080), (535, 158464), (619, 136960), (640, 132466), (856, 99040), (1070, 79232), (1238, 68480), (1280, 66233), (1712, 49520), (2140, 39616), (2476, 34240), (3095, 27392), (3424, 24760), (4280, 19808), (4952, 17120), (6190, 13696), (6848, 12380), (8560, 9904)]