264650720

素因数分解:

$2^5\times 5^1\times {\mathrm{31}}^1\times {\mathrm{229}}^1\times {\mathrm{233}}^1$

素因数の和:508

約数の個数: 96

約数和(自身を含む): 651006720

約数和(自身を除く): 386356000

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 32, 40, 62, 80, 124, 155, 160, 229, 233, 248, 310, 458, 466, 496, 620, 916, 932, 992, 1145, 1165, 1240, 1832, 1864, 2290, 2330, 2480, 3664, 3728, 4580, 4660, 4960, 7099, 7223, 7328, 7456, 9160, 9320, 14198, 14446, 18320, 18640, 28396, 28892, 35495, 36115, 36640, 37280, 53357, 56792, 57784, 70990, 72230, 106714, 113584, 115568, 141980, 144460, 213428, 227168, 231136, 266785, 283960, 288920, 426856, 533570, 567920, 577840, 853712, 1067140, 1135840, 1155680, 1654067, 1707424, 2134280, 3308134, 4268560, 6616268, 8270335, 8537120, 13232536, 16540670, 26465072, 33081340, 52930144, 66162680, 132325360, 264650720]

約数ペア:

[(1, 264650720), (2, 132325360), (4, 66162680), (5, 52930144), (8, 33081340), (10, 26465072), (16, 16540670), (20, 13232536), (31, 8537120), (32, 8270335), (40, 6616268), (62, 4268560), (80, 3308134), (124, 2134280), (155, 1707424), (160, 1654067), (229, 1155680), (233, 1135840), (248, 1067140), (310, 853712), (458, 577840), (466, 567920), (496, 533570), (620, 426856), (916, 288920), (932, 283960), (992, 266785), (1145, 231136), (1165, 227168), (1240, 213428), (1832, 144460), (1864, 141980), (2290, 115568), (2330, 113584), (2480, 106714), (3664, 72230), (3728, 70990), (4580, 57784), (4660, 56792), (4960, 53357), (7099, 37280), (7223, 36640), (7328, 36115), (7456, 35495), (9160, 28892), (9320, 28396), (14198, 18640), (14446, 18320)]