161190400

素因数分解:

$2^9\times 5^2\times 7^2\times {\mathrm{257}}^1$

素因数の和:299

約数の個数: 180

約数和(自身を含む): 466371378

約数和(自身を除く): 305180978

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 25, 28, 32, 35, 40, 49, 50, 56, 64, 70, 80, 98, 100, 112, 128, 140, 160, 175, 196, 200, 224, 245, 256, 257, 280, 320, 350, 392, 400, 448, 490, 512, 514, 560, 640, 700, 784, 800, 896, 980, 1028, 1120, 1225, 1280, 1285, 1400, 1568, 1600, 1792, 1799, 1960, 2056, 2240, 2450, 2560, 2570, 2800, 3136, 3200, 3584, 3598, 3920, 4112, 4480, 4900, 5140, 5600, 6272, 6400, 6425, 7196, 7840, 8224, 8960, 8995, 9800, 10280, 11200, 12544, 12593, 12800, 12850, 14392, 15680, 16448, 17920, 17990, 19600, 20560, 22400, 25088, 25186, 25700, 28784, 31360, 32896, 35980, 39200, 41120, 44800, 44975, 50372, 51400, 57568, 62720, 62965, 65792, 71960, 78400, 82240, 89600, 89950, 100744, 102800, 115136, 125440, 125930, 131584, 143920, 156800, 164480, 179900, 201488, 205600, 230272, 251860, 287840, 313600, 314825, 328960, 359800, 402976, 411200, 460544, 503720, 575680, 627200, 629650, 657920, 719600, 805952, 822400, 921088, 1007440, 1151360, 1259300, 1439200, 1611904, 1644800, 2014880, 2302720, 2518600, 2878400, 3223808, 3289600, 4029760, 4605440, 5037200, 5756800, 6447616, 8059520, 10074400, 11513600, 16119040, 20148800, 23027200, 32238080, 40297600, 80595200, 161190400]

約数ペア:

[(1, 161190400), (2, 80595200), (4, 40297600), (5, 32238080), (7, 23027200), (8, 20148800), (10, 16119040), (14, 11513600), (16, 10074400), (20, 8059520), (25, 6447616), (28, 5756800), (32, 5037200), (35, 4605440), (40, 4029760), (49, 3289600), (50, 3223808), (56, 2878400), (64, 2518600), (70, 2302720), (80, 2014880), (98, 1644800), (100, 1611904), (112, 1439200), (128, 1259300), (140, 1151360), (160, 1007440), (175, 921088), (196, 822400), (200, 805952), (224, 719600), (245, 657920), (256, 629650), (257, 627200), (280, 575680), (320, 503720), (350, 460544), (392, 411200), (400, 402976), (448, 359800), (490, 328960), (512, 314825), (514, 313600), (560, 287840), (640, 251860), (700, 230272), (784, 205600), (800, 201488), (896, 179900), (980, 164480), (1028, 156800), (1120, 143920), (1225, 131584), (1280, 125930), (1285, 125440), (1400, 115136), (1568, 102800), (1600, 100744), (1792, 89950), (1799, 89600), (1960, 82240), (2056, 78400), (2240, 71960), (2450, 65792), (2560, 62965), (2570, 62720), (2800, 57568), (3136, 51400), (3200, 50372), (3584, 44975), (3598, 44800), (3920, 41120), (4112, 39200), (4480, 35980), (4900, 32896), (5140, 31360), (5600, 28784), (6272, 25700), (6400, 25186), (6425, 25088), (7196, 22400), (7840, 20560), (8224, 19600), (8960, 17990), (8995, 17920), (9800, 16448), (10280, 15680), (11200, 14392), (12544, 12850), (12593, 12800)]