1571296720

素因数分解:

$2^4\times 5^1\times 7^3\times {\mathrm{173}}^1\times {\mathrm{331}}^1$

素因数の和:538

約数の個数: 160

約数和(自身を含む): 4297939200

約数和(自身を除く): 2726642480

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 49, 56, 70, 80, 98, 112, 140, 173, 196, 245, 280, 331, 343, 346, 392, 490, 560, 662, 686, 692, 784, 865, 980, 1211, 1324, 1372, 1384, 1655, 1715, 1730, 1960, 2317, 2422, 2648, 2744, 2768, 3310, 3430, 3460, 3920, 4634, 4844, 5296, 5488, 6055, 6620, 6860, 6920, 8477, 9268, 9688, 11585, 12110, 13240, 13720, 13840, 16219, 16954, 18536, 19376, 23170, 24220, 26480, 27440, 32438, 33908, 37072, 42385, 46340, 48440, 57263, 59339, 64876, 67816, 81095, 84770, 92680, 96880, 113533, 114526, 118678, 129752, 135632, 162190, 169540, 185360, 227066, 229052, 237356, 259504, 286315, 296695, 324380, 339080, 400841, 454132, 458104, 474712, 567665, 572630, 593390, 648760, 678160, 801682, 908264, 916208, 949424, 1135330, 1145260, 1186780, 1297520, 1603364, 1816528, 2004205, 2270660, 2290520, 2373560, 2805887, 3206728, 4008410, 4541320, 4581040, 4747120, 5611774, 6413456, 8016820, 9082640, 11223548, 14029435, 16033640, 19641209, 22447096, 28058870, 32067280, 39282418, 44894192, 56117740, 78564836, 98206045, 112235480, 157129672, 196412090, 224470960, 314259344, 392824180, 785648360, 1571296720]

約数ペア:

[(1, 1571296720), (2, 785648360), (4, 392824180), (5, 314259344), (7, 224470960), (8, 196412090), (10, 157129672), (14, 112235480), (16, 98206045), (20, 78564836), (28, 56117740), (35, 44894192), (40, 39282418), (49, 32067280), (56, 28058870), (70, 22447096), (80, 19641209), (98, 16033640), (112, 14029435), (140, 11223548), (173, 9082640), (196, 8016820), (245, 6413456), (280, 5611774), (331, 4747120), (343, 4581040), (346, 4541320), (392, 4008410), (490, 3206728), (560, 2805887), (662, 2373560), (686, 2290520), (692, 2270660), (784, 2004205), (865, 1816528), (980, 1603364), (1211, 1297520), (1324, 1186780), (1372, 1145260), (1384, 1135330), (1655, 949424), (1715, 916208), (1730, 908264), (1960, 801682), (2317, 678160), (2422, 648760), (2648, 593390), (2744, 572630), (2768, 567665), (3310, 474712), (3430, 458104), (3460, 454132), (3920, 400841), (4634, 339080), (4844, 324380), (5296, 296695), (5488, 286315), (6055, 259504), (6620, 237356), (6860, 229052), (6920, 227066), (8477, 185360), (9268, 169540), (9688, 162190), (11585, 135632), (12110, 129752), (13240, 118678), (13720, 114526), (13840, 113533), (16219, 96880), (16954, 92680), (18536, 84770), (19376, 81095), (23170, 67816), (24220, 64876), (26480, 59339), (27440, 57263), (32438, 48440), (33908, 46340), (37072, 42385)]