164065600

素因数分解:

$2^6\times 5^2\times {\mathrm{41}}^2\times {\mathrm{61}}^1$

素因数の和:165

約数の個数: 126

約数和(自身を含む): 420573962

約数和(自身を除く): 256508362

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 32, 40, 41, 50, 61, 64, 80, 82, 100, 122, 160, 164, 200, 205, 244, 305, 320, 328, 400, 410, 488, 610, 656, 800, 820, 976, 1025, 1220, 1312, 1525, 1600, 1640, 1681, 1952, 2050, 2440, 2501, 2624, 3050, 3280, 3362, 3904, 4100, 4880, 5002, 6100, 6560, 6724, 8200, 8405, 9760, 10004, 12200, 12505, 13120, 13448, 16400, 16810, 19520, 20008, 24400, 25010, 26896, 32800, 33620, 40016, 42025, 48800, 50020, 53792, 62525, 65600, 67240, 80032, 84050, 97600, 100040, 102541, 107584, 125050, 134480, 160064, 168100, 200080, 205082, 250100, 268960, 336200, 400160, 410164, 500200, 512705, 537920, 672400, 800320, 820328, 1000400, 1025410, 1344800, 1640656, 2000800, 2050820, 2563525, 2689600, 3281312, 4001600, 4101640, 5127050, 6562624, 8203280, 10254100, 16406560, 20508200, 32813120, 41016400, 82032800, 164065600]

約数ペア:

[(1, 164065600), (2, 82032800), (4, 41016400), (5, 32813120), (8, 20508200), (10, 16406560), (16, 10254100), (20, 8203280), (25, 6562624), (32, 5127050), (40, 4101640), (41, 4001600), (50, 3281312), (61, 2689600), (64, 2563525), (80, 2050820), (82, 2000800), (100, 1640656), (122, 1344800), (160, 1025410), (164, 1000400), (200, 820328), (205, 800320), (244, 672400), (305, 537920), (320, 512705), (328, 500200), (400, 410164), (410, 400160), (488, 336200), (610, 268960), (656, 250100), (800, 205082), (820, 200080), (976, 168100), (1025, 160064), (1220, 134480), (1312, 125050), (1525, 107584), (1600, 102541), (1640, 100040), (1681, 97600), (1952, 84050), (2050, 80032), (2440, 67240), (2501, 65600), (2624, 62525), (3050, 53792), (3280, 50020), (3362, 48800), (3904, 42025), (4100, 40016), (4880, 33620), (5002, 32800), (6100, 26896), (6560, 25010), (6724, 24400), (8200, 20008), (8405, 19520), (9760, 16810), (10004, 16400), (12200, 13448), (12505, 13120)]