164664560

素因数分解:

$2^4\times 5^1\times {\mathrm{31}}^1\times {\mathrm{67}}^1\times {\mathrm{991}}^1$

素因数の和:1102

約数の個数: 80

約数和(自身を含む): 401498112

約数和(自身を除く): 236833552

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 40, 62, 67, 80, 124, 134, 155, 248, 268, 310, 335, 496, 536, 620, 670, 991, 1072, 1240, 1340, 1982, 2077, 2480, 2680, 3964, 4154, 4955, 5360, 7928, 8308, 9910, 10385, 15856, 16616, 19820, 20770, 30721, 33232, 39640, 41540, 61442, 66397, 79280, 83080, 122884, 132794, 153605, 166160, 245768, 265588, 307210, 331985, 491536, 531176, 614420, 663970, 1062352, 1228840, 1327940, 2058307, 2457680, 2655880, 4116614, 5311760, 8233228, 10291535, 16466456, 20583070, 32932912, 41166140, 82332280, 164664560]

約数ペア:

[(1, 164664560), (2, 82332280), (4, 41166140), (5, 32932912), (8, 20583070), (10, 16466456), (16, 10291535), (20, 8233228), (31, 5311760), (40, 4116614), (62, 2655880), (67, 2457680), (80, 2058307), (124, 1327940), (134, 1228840), (155, 1062352), (248, 663970), (268, 614420), (310, 531176), (335, 491536), (496, 331985), (536, 307210), (620, 265588), (670, 245768), (991, 166160), (1072, 153605), (1240, 132794), (1340, 122884), (1982, 83080), (2077, 79280), (2480, 66397), (2680, 61442), (3964, 41540), (4154, 39640), (4955, 33232), (5360, 30721), (7928, 20770), (8308, 19820), (9910, 16616), (10385, 15856)]