15019920

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{907}}^1$

素因数の和:949

約数の個数: 120

約数和(自身を含む): 52693056

約数和(自身を除く): 37673136

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 23, 24, 30, 36, 40, 45, 46, 48, 60, 69, 72, 80, 90, 92, 115, 120, 138, 144, 180, 184, 207, 230, 240, 276, 345, 360, 368, 414, 460, 552, 690, 720, 828, 907, 920, 1035, 1104, 1380, 1656, 1814, 1840, 2070, 2721, 2760, 3312, 3628, 4140, 4535, 5442, 5520, 7256, 8163, 8280, 9070, 10884, 13605, 14512, 16326, 16560, 18140, 20861, 21768, 27210, 32652, 36280, 40815, 41722, 43536, 54420, 62583, 65304, 72560, 81630, 83444, 104305, 108840, 125166, 130608, 163260, 166888, 187749, 208610, 217680, 250332, 312915, 326520, 333776, 375498, 417220, 500664, 625830, 653040, 750996, 834440, 938745, 1001328, 1251660, 1501992, 1668880, 1877490, 2503320, 3003984, 3754980, 5006640, 7509960, 15019920]

約数ペア:

[(1, 15019920), (2, 7509960), (3, 5006640), (4, 3754980), (5, 3003984), (6, 2503320), (8, 1877490), (9, 1668880), (10, 1501992), (12, 1251660), (15, 1001328), (16, 938745), (18, 834440), (20, 750996), (23, 653040), (24, 625830), (30, 500664), (36, 417220), (40, 375498), (45, 333776), (46, 326520), (48, 312915), (60, 250332), (69, 217680), (72, 208610), (80, 187749), (90, 166888), (92, 163260), (115, 130608), (120, 125166), (138, 108840), (144, 104305), (180, 83444), (184, 81630), (207, 72560), (230, 65304), (240, 62583), (276, 54420), (345, 43536), (360, 41722), (368, 40815), (414, 36280), (460, 32652), (552, 27210), (690, 21768), (720, 20861), (828, 18140), (907, 16560), (920, 16326), (1035, 14512), (1104, 13605), (1380, 10884), (1656, 9070), (1814, 8280), (1840, 8163), (2070, 7256), (2721, 5520), (2760, 5442), (3312, 4535), (3628, 4140)]