268791040

素因数分解:

$2^8\times 5^1\times 7^1\times {\mathrm{131}}^1\times {\mathrm{229}}^1$

素因数の和:388

約数の個数: 144

約数和(自身を含む): 744670080

約数和(自身を除く): 475879040

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 56, 64, 70, 80, 112, 128, 131, 140, 160, 224, 229, 256, 262, 280, 320, 448, 458, 524, 560, 640, 655, 896, 916, 917, 1048, 1120, 1145, 1280, 1310, 1603, 1792, 1832, 1834, 2096, 2240, 2290, 2620, 3206, 3664, 3668, 4192, 4480, 4580, 4585, 5240, 6412, 7328, 7336, 8015, 8384, 8960, 9160, 9170, 10480, 12824, 14656, 14672, 16030, 16768, 18320, 18340, 20960, 25648, 29312, 29344, 29999, 32060, 33536, 36640, 36680, 41920, 51296, 58624, 58688, 59998, 64120, 73280, 73360, 83840, 102592, 117376, 119996, 128240, 146560, 146720, 149995, 167680, 205184, 209993, 234752, 239992, 256480, 293120, 293440, 299990, 410368, 419986, 479984, 512960, 586880, 599980, 839972, 959968, 1025920, 1049965, 1173760, 1199960, 1679944, 1919936, 2051840, 2099930, 2399920, 3359888, 3839872, 4199860, 4799840, 6719776, 7679744, 8399720, 9599680, 13439552, 16799440, 19199360, 26879104, 33598880, 38398720, 53758208, 67197760, 134395520, 268791040]

約数ペア:

[(1, 268791040), (2, 134395520), (4, 67197760), (5, 53758208), (7, 38398720), (8, 33598880), (10, 26879104), (14, 19199360), (16, 16799440), (20, 13439552), (28, 9599680), (32, 8399720), (35, 7679744), (40, 6719776), (56, 4799840), (64, 4199860), (70, 3839872), (80, 3359888), (112, 2399920), (128, 2099930), (131, 2051840), (140, 1919936), (160, 1679944), (224, 1199960), (229, 1173760), (256, 1049965), (262, 1025920), (280, 959968), (320, 839972), (448, 599980), (458, 586880), (524, 512960), (560, 479984), (640, 419986), (655, 410368), (896, 299990), (916, 293440), (917, 293120), (1048, 256480), (1120, 239992), (1145, 234752), (1280, 209993), (1310, 205184), (1603, 167680), (1792, 149995), (1832, 146720), (1834, 146560), (2096, 128240), (2240, 119996), (2290, 117376), (2620, 102592), (3206, 83840), (3664, 73360), (3668, 73280), (4192, 64120), (4480, 59998), (4580, 58688), (4585, 58624), (5240, 51296), (6412, 41920), (7328, 36680), (7336, 36640), (8015, 33536), (8384, 32060), (8960, 29999), (9160, 29344), (9170, 29312), (10480, 25648), (12824, 20960), (14656, 18340), (14672, 18320), (16030, 16768)]