27681720

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{67}}^1\times {\mathrm{313}}^1$

素因数の和:405

約数の個数: 128

約数和(自身を含む): 92240640

約数和(自身を除く): 64558920

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 11, 12, 15, 20, 22, 24, 30, 33, 40, 44, 55, 60, 66, 67, 88, 110, 120, 132, 134, 165, 201, 220, 264, 268, 313, 330, 335, 402, 440, 536, 626, 660, 670, 737, 804, 939, 1005, 1252, 1320, 1340, 1474, 1565, 1608, 1878, 2010, 2211, 2504, 2680, 2948, 3130, 3443, 3685, 3756, 4020, 4422, 4695, 5896, 6260, 6886, 7370, 7512, 8040, 8844, 9390, 10329, 11055, 12520, 13772, 14740, 17215, 17688, 18780, 20658, 20971, 22110, 27544, 29480, 34430, 37560, 41316, 41942, 44220, 51645, 62913, 68860, 82632, 83884, 88440, 103290, 104855, 125826, 137720, 167768, 206580, 209710, 230681, 251652, 314565, 413160, 419420, 461362, 503304, 629130, 692043, 838840, 922724, 1153405, 1258260, 1384086, 1845448, 2306810, 2516520, 2768172, 3460215, 4613620, 5536344, 6920430, 9227240, 13840860, 27681720]

約数ペア:

[(1, 27681720), (2, 13840860), (3, 9227240), (4, 6920430), (5, 5536344), (6, 4613620), (8, 3460215), (10, 2768172), (11, 2516520), (12, 2306810), (15, 1845448), (20, 1384086), (22, 1258260), (24, 1153405), (30, 922724), (33, 838840), (40, 692043), (44, 629130), (55, 503304), (60, 461362), (66, 419420), (67, 413160), (88, 314565), (110, 251652), (120, 230681), (132, 209710), (134, 206580), (165, 167768), (201, 137720), (220, 125826), (264, 104855), (268, 103290), (313, 88440), (330, 83884), (335, 82632), (402, 68860), (440, 62913), (536, 51645), (626, 44220), (660, 41942), (670, 41316), (737, 37560), (804, 34430), (939, 29480), (1005, 27544), (1252, 22110), (1320, 20971), (1340, 20658), (1474, 18780), (1565, 17688), (1608, 17215), (1878, 14740), (2010, 13772), (2211, 12520), (2504, 11055), (2680, 10329), (2948, 9390), (3130, 8844), (3443, 8040), (3685, 7512), (3756, 7370), (4020, 6886), (4422, 6260), (4695, 5896)]