213222420

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{51503}}^1$

素因数の和:51541

約数の個数: 72

約数和(自身を含む): 674908416

約数和(自身を除く): 461685996

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 23, 30, 36, 45, 46, 60, 69, 90, 92, 115, 138, 180, 207, 230, 276, 345, 414, 460, 690, 828, 1035, 1380, 2070, 4140, 51503, 103006, 154509, 206012, 257515, 309018, 463527, 515030, 618036, 772545, 927054, 1030060, 1184569, 1545090, 1854108, 2317635, 2369138, 3090180, 3553707, 4635270, 4738276, 5922845, 7107414, 9270540, 10661121, 11845690, 14214828, 17768535, 21322242, 23691380, 35537070, 42644484, 53305605, 71074140, 106611210, 213222420]

約数ペア:

[(1, 213222420), (2, 106611210), (3, 71074140), (4, 53305605), (5, 42644484), (6, 35537070), (9, 23691380), (10, 21322242), (12, 17768535), (15, 14214828), (18, 11845690), (20, 10661121), (23, 9270540), (30, 7107414), (36, 5922845), (45, 4738276), (46, 4635270), (60, 3553707), (69, 3090180), (90, 2369138), (92, 2317635), (115, 1854108), (138, 1545090), (180, 1184569), (207, 1030060), (230, 927054), (276, 772545), (345, 618036), (414, 515030), (460, 463527), (690, 309018), (828, 257515), (1035, 206012), (1380, 154509), (2070, 103006), (4140, 51503)]