163854080

素因数分解:

$2^8\times 5^1\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{229}}^1$

素因数の和:306

約数の個数: 144

約数和(自身を含む): 434390880

約数和(自身を除く): 270536800

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 32, 40, 43, 52, 64, 65, 80, 86, 104, 128, 130, 160, 172, 208, 215, 229, 256, 260, 320, 344, 416, 430, 458, 520, 559, 640, 688, 832, 860, 916, 1040, 1118, 1145, 1280, 1376, 1664, 1720, 1832, 2080, 2236, 2290, 2752, 2795, 2977, 3328, 3440, 3664, 4160, 4472, 4580, 5504, 5590, 5954, 6880, 7328, 8320, 8944, 9160, 9847, 11008, 11180, 11908, 13760, 14656, 14885, 16640, 17888, 18320, 19694, 22360, 23816, 27520, 29312, 29770, 35776, 36640, 39388, 44720, 47632, 49235, 55040, 58624, 59540, 71552, 73280, 78776, 89440, 95264, 98470, 119080, 128011, 143104, 146560, 157552, 178880, 190528, 196940, 238160, 256022, 293120, 315104, 357760, 381056, 393880, 476320, 512044, 630208, 640055, 715520, 762112, 787760, 952640, 1024088, 1260416, 1280110, 1575520, 1905280, 2048176, 2520832, 2560220, 3151040, 3810560, 4096352, 5120440, 6302080, 8192704, 10240880, 12604160, 16385408, 20481760, 32770816, 40963520, 81927040, 163854080]

約数ペア:

[(1, 163854080), (2, 81927040), (4, 40963520), (5, 32770816), (8, 20481760), (10, 16385408), (13, 12604160), (16, 10240880), (20, 8192704), (26, 6302080), (32, 5120440), (40, 4096352), (43, 3810560), (52, 3151040), (64, 2560220), (65, 2520832), (80, 2048176), (86, 1905280), (104, 1575520), (128, 1280110), (130, 1260416), (160, 1024088), (172, 952640), (208, 787760), (215, 762112), (229, 715520), (256, 640055), (260, 630208), (320, 512044), (344, 476320), (416, 393880), (430, 381056), (458, 357760), (520, 315104), (559, 293120), (640, 256022), (688, 238160), (832, 196940), (860, 190528), (916, 178880), (1040, 157552), (1118, 146560), (1145, 143104), (1280, 128011), (1376, 119080), (1664, 98470), (1720, 95264), (1832, 89440), (2080, 78776), (2236, 73280), (2290, 71552), (2752, 59540), (2795, 58624), (2977, 55040), (3328, 49235), (3440, 47632), (3664, 44720), (4160, 39388), (4472, 36640), (4580, 35776), (5504, 29770), (5590, 29312), (5954, 27520), (6880, 23816), (7328, 22360), (8320, 19694), (8944, 18320), (9160, 17888), (9847, 16640), (11008, 14885), (11180, 14656), (11908, 13760)]