80771600

素因数分解:

$2^4\times 5^2\times 7^2\times {\mathrm{13}}^1\times {\mathrm{317}}^1$

素因数の和:362

約数の個数: 180

約数和(自身を含む): 243867204

約数和(自身を除く): 163095604

約数列:

[1, 2, 4, 5, 7, 8, 10, 13, 14, 16, 20, 25, 26, 28, 35, 40, 49, 50, 52, 56, 65, 70, 80, 91, 98, 100, 104, 112, 130, 140, 175, 182, 196, 200, 208, 245, 260, 280, 317, 325, 350, 364, 392, 400, 455, 490, 520, 560, 634, 637, 650, 700, 728, 784, 910, 980, 1040, 1225, 1268, 1274, 1300, 1400, 1456, 1585, 1820, 1960, 2219, 2275, 2450, 2536, 2548, 2600, 2800, 3170, 3185, 3640, 3920, 4121, 4438, 4550, 4900, 5072, 5096, 5200, 6340, 6370, 7280, 7925, 8242, 8876, 9100, 9800, 10192, 11095, 12680, 12740, 15533, 15850, 15925, 16484, 17752, 18200, 19600, 20605, 22190, 25360, 25480, 28847, 31066, 31700, 31850, 32968, 35504, 36400, 41210, 44380, 50960, 55475, 57694, 62132, 63400, 63700, 65936, 77665, 82420, 88760, 103025, 110950, 115388, 124264, 126800, 127400, 144235, 155330, 164840, 177520, 201929, 206050, 221900, 230776, 248528, 254800, 288470, 310660, 329680, 388325, 403858, 412100, 443800, 461552, 576940, 621320, 721175, 776650, 807716, 824200, 887600, 1009645, 1153880, 1242640, 1442350, 1553300, 1615432, 1648400, 2019290, 2307760, 2884700, 3106600, 3230864, 4038580, 5048225, 5769400, 6213200, 8077160, 10096450, 11538800, 16154320, 20192900, 40385800, 80771600]

約数ペア:

[(1, 80771600), (2, 40385800), (4, 20192900), (5, 16154320), (7, 11538800), (8, 10096450), (10, 8077160), (13, 6213200), (14, 5769400), (16, 5048225), (20, 4038580), (25, 3230864), (26, 3106600), (28, 2884700), (35, 2307760), (40, 2019290), (49, 1648400), (50, 1615432), (52, 1553300), (56, 1442350), (65, 1242640), (70, 1153880), (80, 1009645), (91, 887600), (98, 824200), (100, 807716), (104, 776650), (112, 721175), (130, 621320), (140, 576940), (175, 461552), (182, 443800), (196, 412100), (200, 403858), (208, 388325), (245, 329680), (260, 310660), (280, 288470), (317, 254800), (325, 248528), (350, 230776), (364, 221900), (392, 206050), (400, 201929), (455, 177520), (490, 164840), (520, 155330), (560, 144235), (634, 127400), (637, 126800), (650, 124264), (700, 115388), (728, 110950), (784, 103025), (910, 88760), (980, 82420), (1040, 77665), (1225, 65936), (1268, 63700), (1274, 63400), (1300, 62132), (1400, 57694), (1456, 55475), (1585, 50960), (1820, 44380), (1960, 41210), (2219, 36400), (2275, 35504), (2450, 32968), (2536, 31850), (2548, 31700), (2600, 31066), (2800, 28847), (3170, 25480), (3185, 25360), (3640, 22190), (3920, 20605), (4121, 19600), (4438, 18200), (4550, 17752), (4900, 16484), (5072, 15925), (5096, 15850), (5200, 15533), (6340, 12740), (6370, 12680), (7280, 11095), (7925, 10192), (8242, 9800), (8876, 9100)]