77367280

素因数分解:

$2^4\times 5^1\times {\mathrm{53}}^1\times {\mathrm{71}}^1\times {\mathrm{257}}^1$

素因数の和:394

約数の個数: 80

約数和(自身を含む): 186577344

約数和(自身を除く): 109210064

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 53, 71, 80, 106, 142, 212, 257, 265, 284, 355, 424, 514, 530, 568, 710, 848, 1028, 1060, 1136, 1285, 1420, 2056, 2120, 2570, 2840, 3763, 4112, 4240, 5140, 5680, 7526, 10280, 13621, 15052, 18247, 18815, 20560, 27242, 30104, 36494, 37630, 54484, 60208, 68105, 72988, 75260, 91235, 108968, 136210, 145976, 150520, 182470, 217936, 272420, 291952, 301040, 364940, 544840, 729880, 967091, 1089680, 1459760, 1934182, 3868364, 4835455, 7736728, 9670910, 15473456, 19341820, 38683640, 77367280]

約数ペア:

[(1, 77367280), (2, 38683640), (4, 19341820), (5, 15473456), (8, 9670910), (10, 7736728), (16, 4835455), (20, 3868364), (40, 1934182), (53, 1459760), (71, 1089680), (80, 967091), (106, 729880), (142, 544840), (212, 364940), (257, 301040), (265, 291952), (284, 272420), (355, 217936), (424, 182470), (514, 150520), (530, 145976), (568, 136210), (710, 108968), (848, 91235), (1028, 75260), (1060, 72988), (1136, 68105), (1285, 60208), (1420, 54484), (2056, 37630), (2120, 36494), (2570, 30104), (2840, 27242), (3763, 20560), (4112, 18815), (4240, 18247), (5140, 15052), (5680, 13621), (7526, 10280)]