129810560

素因数分解:

$2^7\times 5^1\times {\mathrm{11}}^1\times {\mathrm{18439}}^1$

素因数の和:18469

約数の個数: 64

約数和(自身を含む): 338558400

約数和(自身を除く): 208747840

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 32, 40, 44, 55, 64, 80, 88, 110, 128, 160, 176, 220, 320, 352, 440, 640, 704, 880, 1408, 1760, 3520, 7040, 18439, 36878, 73756, 92195, 147512, 184390, 202829, 295024, 368780, 405658, 590048, 737560, 811316, 1014145, 1180096, 1475120, 1622632, 2028290, 2360192, 2950240, 3245264, 4056580, 5900480, 6490528, 8113160, 11800960, 12981056, 16226320, 25962112, 32452640, 64905280, 129810560]

約数ペア:

[(1, 129810560), (2, 64905280), (4, 32452640), (5, 25962112), (8, 16226320), (10, 12981056), (11, 11800960), (16, 8113160), (20, 6490528), (22, 5900480), (32, 4056580), (40, 3245264), (44, 2950240), (55, 2360192), (64, 2028290), (80, 1622632), (88, 1475120), (110, 1180096), (128, 1014145), (160, 811316), (176, 737560), (220, 590048), (320, 405658), (352, 368780), (440, 295024), (640, 202829), (704, 184390), (880, 147512), (1408, 92195), (1760, 73756), (3520, 36878), (7040, 18439)]