18186240

素因数分解:

$2^{15}\times 3^1\times 5^1\times {\mathrm{37}}^1$

素因数の和:75

約数の個数: 128

約数和(自身を含む): 59767920

約数和(自身を除く): 41581680

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 32, 37, 40, 48, 60, 64, 74, 80, 96, 111, 120, 128, 148, 160, 185, 192, 222, 240, 256, 296, 320, 370, 384, 444, 480, 512, 555, 592, 640, 740, 768, 888, 960, 1024, 1110, 1184, 1280, 1480, 1536, 1776, 1920, 2048, 2220, 2368, 2560, 2960, 3072, 3552, 3840, 4096, 4440, 4736, 5120, 5920, 6144, 7104, 7680, 8192, 8880, 9472, 10240, 11840, 12288, 14208, 15360, 16384, 17760, 18944, 20480, 23680, 24576, 28416, 30720, 32768, 35520, 37888, 40960, 47360, 49152, 56832, 61440, 71040, 75776, 81920, 94720, 98304, 113664, 122880, 142080, 151552, 163840, 189440, 227328, 245760, 284160, 303104, 378880, 454656, 491520, 568320, 606208, 757760, 909312, 1136640, 1212416, 1515520, 1818624, 2273280, 3031040, 3637248, 4546560, 6062080, 9093120, 18186240]

約数ペア:

[(1, 18186240), (2, 9093120), (3, 6062080), (4, 4546560), (5, 3637248), (6, 3031040), (8, 2273280), (10, 1818624), (12, 1515520), (15, 1212416), (16, 1136640), (20, 909312), (24, 757760), (30, 606208), (32, 568320), (37, 491520), (40, 454656), (48, 378880), (60, 303104), (64, 284160), (74, 245760), (80, 227328), (96, 189440), (111, 163840), (120, 151552), (128, 142080), (148, 122880), (160, 113664), (185, 98304), (192, 94720), (222, 81920), (240, 75776), (256, 71040), (296, 61440), (320, 56832), (370, 49152), (384, 47360), (444, 40960), (480, 37888), (512, 35520), (555, 32768), (592, 30720), (640, 28416), (740, 24576), (768, 23680), (888, 20480), (960, 18944), (1024, 17760), (1110, 16384), (1184, 15360), (1280, 14208), (1480, 12288), (1536, 11840), (1776, 10240), (1920, 9472), (2048, 8880), (2220, 8192), (2368, 7680), (2560, 7104), (2960, 6144), (3072, 5920), (3552, 5120), (3840, 4736), (4096, 4440)]