221288640

素因数分解:

$2^6\times 3^1\times 5^1\times {\mathrm{353}}^1\times {\mathrm{653}}^1$

素因数の和:1026

約数の個数: 112

約数和(自身を含む): 705660768

約数和(自身を除く): 484372128

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 32, 40, 48, 60, 64, 80, 96, 120, 160, 192, 240, 320, 353, 480, 653, 706, 960, 1059, 1306, 1412, 1765, 1959, 2118, 2612, 2824, 3265, 3530, 3918, 4236, 5224, 5295, 5648, 6530, 7060, 7836, 8472, 9795, 10448, 10590, 11296, 13060, 14120, 15672, 16944, 19590, 20896, 21180, 22592, 26120, 28240, 31344, 33888, 39180, 41792, 42360, 52240, 56480, 62688, 67776, 78360, 84720, 104480, 112960, 125376, 156720, 169440, 208960, 230509, 313440, 338880, 461018, 626880, 691527, 922036, 1152545, 1383054, 1844072, 2305090, 2766108, 3457635, 3688144, 4610180, 5532216, 6915270, 7376288, 9220360, 11064432, 13830540, 14752576, 18440720, 22128864, 27661080, 36881440, 44257728, 55322160, 73762880, 110644320, 221288640]

約数ペア:

[(1, 221288640), (2, 110644320), (3, 73762880), (4, 55322160), (5, 44257728), (6, 36881440), (8, 27661080), (10, 22128864), (12, 18440720), (15, 14752576), (16, 13830540), (20, 11064432), (24, 9220360), (30, 7376288), (32, 6915270), (40, 5532216), (48, 4610180), (60, 3688144), (64, 3457635), (80, 2766108), (96, 2305090), (120, 1844072), (160, 1383054), (192, 1152545), (240, 922036), (320, 691527), (353, 626880), (480, 461018), (653, 338880), (706, 313440), (960, 230509), (1059, 208960), (1306, 169440), (1412, 156720), (1765, 125376), (1959, 112960), (2118, 104480), (2612, 84720), (2824, 78360), (3265, 67776), (3530, 62688), (3918, 56480), (4236, 52240), (5224, 42360), (5295, 41792), (5648, 39180), (6530, 33888), (7060, 31344), (7836, 28240), (8472, 26120), (9795, 22592), (10448, 21180), (10590, 20896), (11296, 19590), (13060, 16944), (14120, 15672)]