18658560

素因数分解:

$2^8\times 3^1\times 5^1\times {\mathrm{43}}^1\times {\mathrm{113}}^1$

素因数の和:180

約数の個数: 144

約数和(自身を含む): 61516224

約数和(自身を除く): 42857664

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 32, 40, 43, 48, 60, 64, 80, 86, 96, 113, 120, 128, 129, 160, 172, 192, 215, 226, 240, 256, 258, 320, 339, 344, 384, 430, 452, 480, 516, 565, 640, 645, 678, 688, 768, 860, 904, 960, 1032, 1130, 1280, 1290, 1356, 1376, 1695, 1720, 1808, 1920, 2064, 2260, 2580, 2712, 2752, 3390, 3440, 3616, 3840, 4128, 4520, 4859, 5160, 5424, 5504, 6780, 6880, 7232, 8256, 9040, 9718, 10320, 10848, 11008, 13560, 13760, 14464, 14577, 16512, 18080, 19436, 20640, 21696, 24295, 27120, 27520, 28928, 29154, 33024, 36160, 38872, 41280, 43392, 48590, 54240, 55040, 58308, 72320, 72885, 77744, 82560, 86784, 97180, 108480, 116616, 144640, 145770, 155488, 165120, 194360, 216960, 233232, 291540, 310976, 388720, 433920, 466464, 583080, 621952, 777440, 932928, 1166160, 1243904, 1554880, 1865856, 2332320, 3109760, 3731712, 4664640, 6219520, 9329280, 18658560]

約数ペア:

[(1, 18658560), (2, 9329280), (3, 6219520), (4, 4664640), (5, 3731712), (6, 3109760), (8, 2332320), (10, 1865856), (12, 1554880), (15, 1243904), (16, 1166160), (20, 932928), (24, 777440), (30, 621952), (32, 583080), (40, 466464), (43, 433920), (48, 388720), (60, 310976), (64, 291540), (80, 233232), (86, 216960), (96, 194360), (113, 165120), (120, 155488), (128, 145770), (129, 144640), (160, 116616), (172, 108480), (192, 97180), (215, 86784), (226, 82560), (240, 77744), (256, 72885), (258, 72320), (320, 58308), (339, 55040), (344, 54240), (384, 48590), (430, 43392), (452, 41280), (480, 38872), (516, 36160), (565, 33024), (640, 29154), (645, 28928), (678, 27520), (688, 27120), (768, 24295), (860, 21696), (904, 20640), (960, 19436), (1032, 18080), (1130, 16512), (1280, 14577), (1290, 14464), (1356, 13760), (1376, 13560), (1695, 11008), (1720, 10848), (1808, 10320), (1920, 9718), (2064, 9040), (2260, 8256), (2580, 7232), (2712, 6880), (2752, 6780), (3390, 5504), (3440, 5424), (3616, 5160), (3840, 4859), (4128, 4520)]