721754280

素因数分解:

$2^3\times 3^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{51407}}^1$

素因数の和:51440

約数の個数: 128

約数和(自身を含む): 2590963200

約数和(自身を除く): 1869208920

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 13, 15, 18, 20, 24, 26, 27, 30, 36, 39, 40, 45, 52, 54, 60, 65, 72, 78, 90, 104, 108, 117, 120, 130, 135, 156, 180, 195, 216, 234, 260, 270, 312, 351, 360, 390, 468, 520, 540, 585, 702, 780, 936, 1080, 1170, 1404, 1560, 1755, 2340, 2808, 3510, 4680, 7020, 14040, 51407, 102814, 154221, 205628, 257035, 308442, 411256, 462663, 514070, 616884, 668291, 771105, 925326, 1028140, 1233768, 1336582, 1387989, 1542210, 1850652, 2004873, 2056280, 2313315, 2673164, 2775978, 3084420, 3341455, 3701304, 4009746, 4626630, 5346328, 5551956, 6014619, 6168840, 6682910, 6939945, 8019492, 9253260, 10024365, 11103912, 12029238, 13365820, 13879890, 16038984, 18043857, 18506520, 20048730, 24058476, 26731640, 27759780, 30073095, 36087714, 40097460, 48116952, 55519560, 60146190, 72175428, 80194920, 90219285, 120292380, 144350856, 180438570, 240584760, 360877140, 721754280]

約数ペア:

[(1, 721754280), (2, 360877140), (3, 240584760), (4, 180438570), (5, 144350856), (6, 120292380), (8, 90219285), (9, 80194920), (10, 72175428), (12, 60146190), (13, 55519560), (15, 48116952), (18, 40097460), (20, 36087714), (24, 30073095), (26, 27759780), (27, 26731640), (30, 24058476), (36, 20048730), (39, 18506520), (40, 18043857), (45, 16038984), (52, 13879890), (54, 13365820), (60, 12029238), (65, 11103912), (72, 10024365), (78, 9253260), (90, 8019492), (104, 6939945), (108, 6682910), (117, 6168840), (120, 6014619), (130, 5551956), (135, 5346328), (156, 4626630), (180, 4009746), (195, 3701304), (216, 3341455), (234, 3084420), (260, 2775978), (270, 2673164), (312, 2313315), (351, 2056280), (360, 2004873), (390, 1850652), (468, 1542210), (520, 1387989), (540, 1336582), (585, 1233768), (702, 1028140), (780, 925326), (936, 771105), (1080, 668291), (1170, 616884), (1404, 514070), (1560, 462663), (1755, 411256), (2340, 308442), (2808, 257035), (3510, 205628), (4680, 154221), (7020, 102814), (14040, 51407)]