74655420

素因数分解:

$2^2\times 3^1\times 5^1\times 7^2\times {\mathrm{67}}^1\times {\mathrm{379}}^1$

素因数の和:472

約数の個数: 144

約数和(自身を含む): 247443840

約数和(自身を除く): 172788420

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 49, 60, 67, 70, 84, 98, 105, 134, 140, 147, 196, 201, 210, 245, 268, 294, 335, 379, 402, 420, 469, 490, 588, 670, 735, 758, 804, 938, 980, 1005, 1137, 1340, 1407, 1470, 1516, 1876, 1895, 2010, 2274, 2345, 2653, 2814, 2940, 3283, 3790, 4020, 4548, 4690, 5306, 5628, 5685, 6566, 7035, 7580, 7959, 9380, 9849, 10612, 11370, 13132, 13265, 14070, 15918, 16415, 18571, 19698, 22740, 25393, 26530, 28140, 31836, 32830, 37142, 39396, 39795, 49245, 50786, 53060, 55713, 65660, 74284, 76179, 79590, 92855, 98490, 101572, 111426, 126965, 152358, 159180, 177751, 185710, 196980, 222852, 253930, 278565, 304716, 355502, 371420, 380895, 507860, 533253, 557130, 711004, 761790, 888755, 1066506, 1114260, 1244257, 1523580, 1777510, 2133012, 2488514, 2666265, 3555020, 3732771, 4977028, 5332530, 6221285, 7465542, 10665060, 12442570, 14931084, 18663855, 24885140, 37327710, 74655420]

約数ペア:

[(1, 74655420), (2, 37327710), (3, 24885140), (4, 18663855), (5, 14931084), (6, 12442570), (7, 10665060), (10, 7465542), (12, 6221285), (14, 5332530), (15, 4977028), (20, 3732771), (21, 3555020), (28, 2666265), (30, 2488514), (35, 2133012), (42, 1777510), (49, 1523580), (60, 1244257), (67, 1114260), (70, 1066506), (84, 888755), (98, 761790), (105, 711004), (134, 557130), (140, 533253), (147, 507860), (196, 380895), (201, 371420), (210, 355502), (245, 304716), (268, 278565), (294, 253930), (335, 222852), (379, 196980), (402, 185710), (420, 177751), (469, 159180), (490, 152358), (588, 126965), (670, 111426), (735, 101572), (758, 98490), (804, 92855), (938, 79590), (980, 76179), (1005, 74284), (1137, 65660), (1340, 55713), (1407, 53060), (1470, 50786), (1516, 49245), (1876, 39795), (1895, 39396), (2010, 37142), (2274, 32830), (2345, 31836), (2653, 28140), (2814, 26530), (2940, 25393), (3283, 22740), (3790, 19698), (4020, 18571), (4548, 16415), (4690, 15918), (5306, 14070), (5628, 13265), (5685, 13132), (6566, 11370), (7035, 10612), (7580, 9849), (7959, 9380)]