628640568

素因数分解:

$2^3\times 3^3\times {\mathrm{31}}^1\times {\mathrm{223}}^1\times {\mathrm{421}}^1$

素因数の和:690

約数の個数: 128

約数和(自身を含む): 1814937600

約数和(自身を除く): 1186297032

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 27, 31, 36, 54, 62, 72, 93, 108, 124, 186, 216, 223, 248, 279, 372, 421, 446, 558, 669, 744, 837, 842, 892, 1116, 1263, 1338, 1674, 1684, 1784, 2007, 2232, 2526, 2676, 3348, 3368, 3789, 4014, 5052, 5352, 6021, 6696, 6913, 7578, 8028, 10104, 11367, 12042, 13051, 13826, 15156, 16056, 20739, 22734, 24084, 26102, 27652, 30312, 39153, 41478, 45468, 48168, 52204, 55304, 62217, 78306, 82956, 90936, 93883, 104408, 117459, 124434, 156612, 165912, 186651, 187766, 234918, 248868, 281649, 313224, 352377, 373302, 375532, 469836, 497736, 563298, 704754, 746604, 751064, 844947, 939672, 1126596, 1409508, 1493208, 1689894, 2253192, 2534841, 2819016, 2910373, 3379788, 5069682, 5820746, 6759576, 8731119, 10139364, 11641492, 17462238, 20278728, 23282984, 26193357, 34924476, 52386714, 69848952, 78580071, 104773428, 157160142, 209546856, 314320284, 628640568]

約数ペア:

[(1, 628640568), (2, 314320284), (3, 209546856), (4, 157160142), (6, 104773428), (8, 78580071), (9, 69848952), (12, 52386714), (18, 34924476), (24, 26193357), (27, 23282984), (31, 20278728), (36, 17462238), (54, 11641492), (62, 10139364), (72, 8731119), (93, 6759576), (108, 5820746), (124, 5069682), (186, 3379788), (216, 2910373), (223, 2819016), (248, 2534841), (279, 2253192), (372, 1689894), (421, 1493208), (446, 1409508), (558, 1126596), (669, 939672), (744, 844947), (837, 751064), (842, 746604), (892, 704754), (1116, 563298), (1263, 497736), (1338, 469836), (1674, 375532), (1684, 373302), (1784, 352377), (2007, 313224), (2232, 281649), (2526, 248868), (2676, 234918), (3348, 187766), (3368, 186651), (3789, 165912), (4014, 156612), (5052, 124434), (5352, 117459), (6021, 104408), (6696, 93883), (6913, 90936), (7578, 82956), (8028, 78306), (10104, 62217), (11367, 55304), (12042, 52204), (13051, 48168), (13826, 45468), (15156, 41478), (16056, 39153), (20739, 30312), (22734, 27652), (24084, 26102)]