259621120

素因数分解:

$2^8\times 5^1\times {\mathrm{11}}^1\times {\mathrm{18439}}^1$

素因数の和:18471

約数の個数: 72

約数和(自身を含む): 678444480

約数和(自身を除く): 418823360

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, 256, 320, 352, 440, 640, 704, 880, 1280, 1408, 1760, 2816, 3520, 7040, 14080, 18439, 36878, 73756, 92195, 147512, 184390, 202829, 295024, 368780, 405658, 590048, 737560, 811316, 1014145, 1180096, 1475120, 1622632, 2028290, 2360192, 2950240, 3245264, 4056580, 4720384, 5900480, 6490528, 8113160, 11800960, 12981056, 16226320, 23601920, 25962112, 32452640, 51924224, 64905280, 129810560, 259621120]

約数ペア:

[(1, 259621120), (2, 129810560), (4, 64905280), (5, 51924224), (8, 32452640), (10, 25962112), (11, 23601920), (16, 16226320), (20, 12981056), (22, 11800960), (32, 8113160), (40, 6490528), (44, 5900480), (55, 4720384), (64, 4056580), (80, 3245264), (88, 2950240), (110, 2360192), (128, 2028290), (160, 1622632), (176, 1475120), (220, 1180096), (256, 1014145), (320, 811316), (352, 737560), (440, 590048), (640, 405658), (704, 368780), (880, 295024), (1280, 202829), (1408, 184390), (1760, 147512), (2816, 92195), (3520, 73756), (7040, 36878), (14080, 18439)]