217680510

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{389}}^1\times {\mathrm{811}}^1$

素因数の和:1233

約数の個数: 64

約数和(自身を含む): 547223040

約数和(自身を除く): 329542530

約数列:

[1, 2, 3, 5, 6, 10, 15, 23, 30, 46, 69, 115, 138, 230, 345, 389, 690, 778, 811, 1167, 1622, 1945, 2334, 2433, 3890, 4055, 4866, 5835, 8110, 8947, 11670, 12165, 17894, 18653, 24330, 26841, 37306, 44735, 53682, 55959, 89470, 93265, 111918, 134205, 186530, 268410, 279795, 315479, 559590, 630958, 946437, 1577395, 1892874, 3154790, 4732185, 7256017, 9464370, 14512034, 21768051, 36280085, 43536102, 72560170, 108840255, 217680510]

約数ペア:

[(1, 217680510), (2, 108840255), (3, 72560170), (5, 43536102), (6, 36280085), (10, 21768051), (15, 14512034), (23, 9464370), (30, 7256017), (46, 4732185), (69, 3154790), (115, 1892874), (138, 1577395), (230, 946437), (345, 630958), (389, 559590), (690, 315479), (778, 279795), (811, 268410), (1167, 186530), (1622, 134205), (1945, 111918), (2334, 93265), (2433, 89470), (3890, 55959), (4055, 53682), (4866, 44735), (5835, 37306), (8110, 26841), (8947, 24330), (11670, 18653), (12165, 17894)]