64777020

素因数分解:

$2^2\times 3^1\times 5^1\times 7^2\times {\mathrm{11}}^1\times {\mathrm{2003}}^1$

素因数の和:2040

約数の個数: 144

約数和(自身を含む): 230283648

約数和(自身を除く): 165506628

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 11, 12, 14, 15, 20, 21, 22, 28, 30, 33, 35, 42, 44, 49, 55, 60, 66, 70, 77, 84, 98, 105, 110, 132, 140, 147, 154, 165, 196, 210, 220, 231, 245, 294, 308, 330, 385, 420, 462, 490, 539, 588, 660, 735, 770, 924, 980, 1078, 1155, 1470, 1540, 1617, 2003, 2156, 2310, 2695, 2940, 3234, 4006, 4620, 5390, 6009, 6468, 8012, 8085, 10015, 10780, 12018, 14021, 16170, 20030, 22033, 24036, 28042, 30045, 32340, 40060, 42063, 44066, 56084, 60090, 66099, 70105, 84126, 88132, 98147, 110165, 120180, 132198, 140210, 154231, 168252, 196294, 210315, 220330, 264396, 280420, 294441, 308462, 330495, 392588, 420630, 440660, 462693, 490735, 588882, 616924, 660990, 771155, 841260, 925386, 981470, 1079617, 1177764, 1321980, 1472205, 1542310, 1850772, 1962940, 2159234, 2313465, 2944410, 3084620, 3238851, 4318468, 4626930, 5398085, 5888820, 6477702, 9253860, 10796170, 12955404, 16194255, 21592340, 32388510, 64777020]

約数ペア:

[(1, 64777020), (2, 32388510), (3, 21592340), (4, 16194255), (5, 12955404), (6, 10796170), (7, 9253860), (10, 6477702), (11, 5888820), (12, 5398085), (14, 4626930), (15, 4318468), (20, 3238851), (21, 3084620), (22, 2944410), (28, 2313465), (30, 2159234), (33, 1962940), (35, 1850772), (42, 1542310), (44, 1472205), (49, 1321980), (55, 1177764), (60, 1079617), (66, 981470), (70, 925386), (77, 841260), (84, 771155), (98, 660990), (105, 616924), (110, 588882), (132, 490735), (140, 462693), (147, 440660), (154, 420630), (165, 392588), (196, 330495), (210, 308462), (220, 294441), (231, 280420), (245, 264396), (294, 220330), (308, 210315), (330, 196294), (385, 168252), (420, 154231), (462, 140210), (490, 132198), (539, 120180), (588, 110165), (660, 98147), (735, 88132), (770, 84126), (924, 70105), (980, 66099), (1078, 60090), (1155, 56084), (1470, 44066), (1540, 42063), (1617, 40060), (2003, 32340), (2156, 30045), (2310, 28042), (2695, 24036), (2940, 22033), (3234, 20030), (4006, 16170), (4620, 14021), (5390, 12018), (6009, 10780), (6468, 10015), (8012, 8085)]