278008560

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{101}}^1\times {\mathrm{3823}}^1$

素因数の和:3943

約数の個数: 120

約数和(自身を含む): 943136064

約数和(自身を除く): 665127504

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 36, 40, 45, 48, 60, 72, 80, 90, 101, 120, 144, 180, 202, 240, 303, 360, 404, 505, 606, 720, 808, 909, 1010, 1212, 1515, 1616, 1818, 2020, 2424, 3030, 3636, 3823, 4040, 4545, 4848, 6060, 7272, 7646, 8080, 9090, 11469, 12120, 14544, 15292, 18180, 19115, 22938, 24240, 30584, 34407, 36360, 38230, 45876, 57345, 61168, 68814, 72720, 76460, 91752, 114690, 137628, 152920, 172035, 183504, 229380, 275256, 305840, 344070, 386123, 458760, 550512, 688140, 772246, 917520, 1158369, 1376280, 1544492, 1930615, 2316738, 2752560, 3088984, 3475107, 3861230, 4633476, 5791845, 6177968, 6950214, 7722460, 9266952, 11583690, 13900428, 15444920, 17375535, 18533904, 23167380, 27800856, 30889840, 34751070, 46334760, 55601712, 69502140, 92669520, 139004280, 278008560]

約数ペア:

[(1, 278008560), (2, 139004280), (3, 92669520), (4, 69502140), (5, 55601712), (6, 46334760), (8, 34751070), (9, 30889840), (10, 27800856), (12, 23167380), (15, 18533904), (16, 17375535), (18, 15444920), (20, 13900428), (24, 11583690), (30, 9266952), (36, 7722460), (40, 6950214), (45, 6177968), (48, 5791845), (60, 4633476), (72, 3861230), (80, 3475107), (90, 3088984), (101, 2752560), (120, 2316738), (144, 1930615), (180, 1544492), (202, 1376280), (240, 1158369), (303, 917520), (360, 772246), (404, 688140), (505, 550512), (606, 458760), (720, 386123), (808, 344070), (909, 305840), (1010, 275256), (1212, 229380), (1515, 183504), (1616, 172035), (1818, 152920), (2020, 137628), (2424, 114690), (3030, 91752), (3636, 76460), (3823, 72720), (4040, 68814), (4545, 61168), (4848, 57345), (6060, 45876), (7272, 38230), (7646, 36360), (8080, 34407), (9090, 30584), (11469, 24240), (12120, 22938), (14544, 19115), (15292, 18180)]