18210080

素因数分解:

$2^5\times 5^1\times 7^1\times {\mathrm{71}}^1\times {\mathrm{229}}^1$

素因数の和:322

約数の個数: 96

約数和(自身を含む): 50077440

約数和(自身を除く): 31867360

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 56, 70, 71, 80, 112, 140, 142, 160, 224, 229, 280, 284, 355, 458, 497, 560, 568, 710, 916, 994, 1120, 1136, 1145, 1420, 1603, 1832, 1988, 2272, 2290, 2485, 2840, 3206, 3664, 3976, 4580, 4970, 5680, 6412, 7328, 7952, 8015, 9160, 9940, 11360, 12824, 15904, 16030, 16259, 18320, 19880, 25648, 32060, 32518, 36640, 39760, 51296, 64120, 65036, 79520, 81295, 113813, 128240, 130072, 162590, 227626, 256480, 260144, 325180, 455252, 520288, 569065, 650360, 910504, 1138130, 1300720, 1821008, 2276260, 2601440, 3642016, 4552520, 9105040, 18210080]

約数ペア:

[(1, 18210080), (2, 9105040), (4, 4552520), (5, 3642016), (7, 2601440), (8, 2276260), (10, 1821008), (14, 1300720), (16, 1138130), (20, 910504), (28, 650360), (32, 569065), (35, 520288), (40, 455252), (56, 325180), (70, 260144), (71, 256480), (80, 227626), (112, 162590), (140, 130072), (142, 128240), (160, 113813), (224, 81295), (229, 79520), (280, 65036), (284, 64120), (355, 51296), (458, 39760), (497, 36640), (560, 32518), (568, 32060), (710, 25648), (916, 19880), (994, 18320), (1120, 16259), (1136, 16030), (1145, 15904), (1420, 12824), (1603, 11360), (1832, 9940), (1988, 9160), (2272, 8015), (2290, 7952), (2485, 7328), (2840, 6412), (3206, 5680), (3664, 4970), (3976, 4580)]