128265720

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{97171}}^1$

素因数の和:97196

約数の個数: 64

約数和(自身を含む): 419783040

約数和(自身を除く): 291517320

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 11, 12, 15, 20, 22, 24, 30, 33, 40, 44, 55, 60, 66, 88, 110, 120, 132, 165, 220, 264, 330, 440, 660, 1320, 97171, 194342, 291513, 388684, 485855, 583026, 777368, 971710, 1068881, 1166052, 1457565, 1943420, 2137762, 2332104, 2915130, 3206643, 3886840, 4275524, 5344405, 5830260, 6413286, 8551048, 10688810, 11660520, 12826572, 16033215, 21377620, 25653144, 32066430, 42755240, 64132860, 128265720]

約数ペア:

[(1, 128265720), (2, 64132860), (3, 42755240), (4, 32066430), (5, 25653144), (6, 21377620), (8, 16033215), (10, 12826572), (11, 11660520), (12, 10688810), (15, 8551048), (20, 6413286), (22, 5830260), (24, 5344405), (30, 4275524), (33, 3886840), (40, 3206643), (44, 2915130), (55, 2332104), (60, 2137762), (66, 1943420), (88, 1457565), (110, 1166052), (120, 1068881), (132, 971710), (165, 777368), (220, 583026), (264, 485855), (330, 388684), (440, 291513), (660, 194342), (1320, 97171)]