128720280

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{109}}^1\times {\mathrm{757}}^1$

素因数の和:893

約数の個数: 128

約数和(自身を含む): 420235200

約数和(自身を除く): 291514920

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 13, 15, 20, 24, 26, 30, 39, 40, 52, 60, 65, 78, 104, 109, 120, 130, 156, 195, 218, 260, 312, 327, 390, 436, 520, 545, 654, 757, 780, 872, 1090, 1308, 1417, 1514, 1560, 1635, 2180, 2271, 2616, 2834, 3028, 3270, 3785, 4251, 4360, 4542, 5668, 6056, 6540, 7085, 7570, 8502, 9084, 9841, 11336, 11355, 13080, 14170, 15140, 17004, 18168, 19682, 21255, 22710, 28340, 29523, 30280, 34008, 39364, 42510, 45420, 49205, 56680, 59046, 78728, 82513, 85020, 90840, 98410, 118092, 147615, 165026, 170040, 196820, 236184, 247539, 295230, 330052, 393640, 412565, 495078, 590460, 660104, 825130, 990156, 1072669, 1180920, 1237695, 1650260, 1980312, 2145338, 2475390, 3218007, 3300520, 4290676, 4950780, 5363345, 6436014, 8581352, 9901560, 10726690, 12872028, 16090035, 21453380, 25744056, 32180070, 42906760, 64360140, 128720280]

約数ペア:

[(1, 128720280), (2, 64360140), (3, 42906760), (4, 32180070), (5, 25744056), (6, 21453380), (8, 16090035), (10, 12872028), (12, 10726690), (13, 9901560), (15, 8581352), (20, 6436014), (24, 5363345), (26, 4950780), (30, 4290676), (39, 3300520), (40, 3218007), (52, 2475390), (60, 2145338), (65, 1980312), (78, 1650260), (104, 1237695), (109, 1180920), (120, 1072669), (130, 990156), (156, 825130), (195, 660104), (218, 590460), (260, 495078), (312, 412565), (327, 393640), (390, 330052), (436, 295230), (520, 247539), (545, 236184), (654, 196820), (757, 170040), (780, 165026), (872, 147615), (1090, 118092), (1308, 98410), (1417, 90840), (1514, 85020), (1560, 82513), (1635, 78728), (2180, 59046), (2271, 56680), (2616, 49205), (2834, 45420), (3028, 42510), (3270, 39364), (3785, 34008), (4251, 30280), (4360, 29523), (4542, 28340), (5668, 22710), (6056, 21255), (6540, 19682), (7085, 18168), (7570, 17004), (8502, 15140), (9084, 14170), (9841, 13080), (11336, 11355)]