28132440

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{107}}^1\times {\mathrm{313}}^1$

素因数の和:441

約数の個数: 128

約数和(自身を含む): 97666560

約数和(自身を除く): 69534120

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 20, 21, 24, 28, 30, 35, 40, 42, 56, 60, 70, 84, 105, 107, 120, 140, 168, 210, 214, 280, 313, 321, 420, 428, 535, 626, 642, 749, 840, 856, 939, 1070, 1252, 1284, 1498, 1565, 1605, 1878, 2140, 2191, 2247, 2504, 2568, 2996, 3130, 3210, 3745, 3756, 4280, 4382, 4494, 4695, 5992, 6260, 6420, 6573, 7490, 7512, 8764, 8988, 9390, 10955, 11235, 12520, 12840, 13146, 14980, 17528, 17976, 18780, 21910, 22470, 26292, 29960, 32865, 33491, 37560, 43820, 44940, 52584, 65730, 66982, 87640, 89880, 100473, 131460, 133964, 167455, 200946, 234437, 262920, 267928, 334910, 401892, 468874, 502365, 669820, 703311, 803784, 937748, 1004730, 1172185, 1339640, 1406622, 1875496, 2009460, 2344370, 2813244, 3516555, 4018920, 4688740, 5626488, 7033110, 9377480, 14066220, 28132440]

約数ペア:

[(1, 28132440), (2, 14066220), (3, 9377480), (4, 7033110), (5, 5626488), (6, 4688740), (7, 4018920), (8, 3516555), (10, 2813244), (12, 2344370), (14, 2009460), (15, 1875496), (20, 1406622), (21, 1339640), (24, 1172185), (28, 1004730), (30, 937748), (35, 803784), (40, 703311), (42, 669820), (56, 502365), (60, 468874), (70, 401892), (84, 334910), (105, 267928), (107, 262920), (120, 234437), (140, 200946), (168, 167455), (210, 133964), (214, 131460), (280, 100473), (313, 89880), (321, 87640), (420, 66982), (428, 65730), (535, 52584), (626, 44940), (642, 43820), (749, 37560), (840, 33491), (856, 32865), (939, 29960), (1070, 26292), (1252, 22470), (1284, 21910), (1498, 18780), (1565, 17976), (1605, 17528), (1878, 14980), (2140, 13146), (2191, 12840), (2247, 12520), (2504, 11235), (2568, 10955), (2996, 9390), (3130, 8988), (3210, 8764), (3745, 7512), (3756, 7490), (4280, 6573), (4382, 6420), (4494, 6260), (4695, 5992)]