207978840

素因数分解:

$2^3\times 3^5\times 5^1\times {\mathrm{21397}}^1$

素因数の和:21423

約数の個数: 96

約数和(自身を含む): 700998480

約数和(自身を除く): 493019640

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 27, 30, 36, 40, 45, 54, 60, 72, 81, 90, 108, 120, 135, 162, 180, 216, 243, 270, 324, 360, 405, 486, 540, 648, 810, 972, 1080, 1215, 1620, 1944, 2430, 3240, 4860, 9720, 21397, 42794, 64191, 85588, 106985, 128382, 171176, 192573, 213970, 256764, 320955, 385146, 427940, 513528, 577719, 641910, 770292, 855880, 962865, 1155438, 1283820, 1540584, 1733157, 1925730, 2310876, 2567640, 2888595, 3466314, 3851460, 4621752, 5199471, 5777190, 6932628, 7702920, 8665785, 10398942, 11554380, 13865256, 17331570, 20797884, 23108760, 25997355, 34663140, 41595768, 51994710, 69326280, 103989420, 207978840]

約数ペア:

[(1, 207978840), (2, 103989420), (3, 69326280), (4, 51994710), (5, 41595768), (6, 34663140), (8, 25997355), (9, 23108760), (10, 20797884), (12, 17331570), (15, 13865256), (18, 11554380), (20, 10398942), (24, 8665785), (27, 7702920), (30, 6932628), (36, 5777190), (40, 5199471), (45, 4621752), (54, 3851460), (60, 3466314), (72, 2888595), (81, 2567640), (90, 2310876), (108, 1925730), (120, 1733157), (135, 1540584), (162, 1283820), (180, 1155438), (216, 962865), (243, 855880), (270, 770292), (324, 641910), (360, 577719), (405, 513528), (486, 427940), (540, 385146), (648, 320955), (810, 256764), (972, 213970), (1080, 192573), (1215, 171176), (1620, 128382), (1944, 106985), (2430, 85588), (3240, 64191), (4860, 42794), (9720, 21397)]