159116800

素因数分解:

$2^9\times 5^2\times {\mathrm{31}}^1\times {\mathrm{401}}^1$

素因数の和:460

約数の個数: 120

約数和(自身を含む): 407956032

約数和(自身を除く): 248839232

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 31, 32, 40, 50, 62, 64, 80, 100, 124, 128, 155, 160, 200, 248, 256, 310, 320, 400, 401, 496, 512, 620, 640, 775, 800, 802, 992, 1240, 1280, 1550, 1600, 1604, 1984, 2005, 2480, 2560, 3100, 3200, 3208, 3968, 4010, 4960, 6200, 6400, 6416, 7936, 8020, 9920, 10025, 12400, 12431, 12800, 12832, 15872, 16040, 19840, 20050, 24800, 24862, 25664, 32080, 39680, 40100, 49600, 49724, 51328, 62155, 64160, 79360, 80200, 99200, 99448, 102656, 124310, 128320, 160400, 198400, 198896, 205312, 248620, 256640, 310775, 320800, 396800, 397792, 497240, 513280, 621550, 641600, 795584, 994480, 1026560, 1243100, 1283200, 1591168, 1988960, 2486200, 2566400, 3182336, 3977920, 4972400, 5132800, 6364672, 7955840, 9944800, 15911680, 19889600, 31823360, 39779200, 79558400, 159116800]

約数ペア:

[(1, 159116800), (2, 79558400), (4, 39779200), (5, 31823360), (8, 19889600), (10, 15911680), (16, 9944800), (20, 7955840), (25, 6364672), (31, 5132800), (32, 4972400), (40, 3977920), (50, 3182336), (62, 2566400), (64, 2486200), (80, 1988960), (100, 1591168), (124, 1283200), (128, 1243100), (155, 1026560), (160, 994480), (200, 795584), (248, 641600), (256, 621550), (310, 513280), (320, 497240), (400, 397792), (401, 396800), (496, 320800), (512, 310775), (620, 256640), (640, 248620), (775, 205312), (800, 198896), (802, 198400), (992, 160400), (1240, 128320), (1280, 124310), (1550, 102656), (1600, 99448), (1604, 99200), (1984, 80200), (2005, 79360), (2480, 64160), (2560, 62155), (3100, 51328), (3200, 49724), (3208, 49600), (3968, 40100), (4010, 39680), (4960, 32080), (6200, 25664), (6400, 24862), (6416, 24800), (7936, 20050), (8020, 19840), (9920, 16040), (10025, 15872), (12400, 12832), (12431, 12800)]