81448920

素因数分解:

$2^3\times 3^2\times 5^1\times 7^1\times {\mathrm{32321}}^1$

素因数の和:32345

約数の個数: 96

約数和(自身を含む): 302533920

約数和(自身を除く): 221085000

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 18, 20, 21, 24, 28, 30, 35, 36, 40, 42, 45, 56, 60, 63, 70, 72, 84, 90, 105, 120, 126, 140, 168, 180, 210, 252, 280, 315, 360, 420, 504, 630, 840, 1260, 2520, 32321, 64642, 96963, 129284, 161605, 193926, 226247, 258568, 290889, 323210, 387852, 452494, 484815, 581778, 646420, 678741, 775704, 904988, 969630, 1131235, 1163556, 1292840, 1357482, 1454445, 1809976, 1939260, 2036223, 2262470, 2327112, 2714964, 2908890, 3393705, 3878520, 4072446, 4524940, 5429928, 5817780, 6787410, 8144892, 9049880, 10181115, 11635560, 13574820, 16289784, 20362230, 27149640, 40724460, 81448920]

約数ペア:

[(1, 81448920), (2, 40724460), (3, 27149640), (4, 20362230), (5, 16289784), (6, 13574820), (7, 11635560), (8, 10181115), (9, 9049880), (10, 8144892), (12, 6787410), (14, 5817780), (15, 5429928), (18, 4524940), (20, 4072446), (21, 3878520), (24, 3393705), (28, 2908890), (30, 2714964), (35, 2327112), (36, 2262470), (40, 2036223), (42, 1939260), (45, 1809976), (56, 1454445), (60, 1357482), (63, 1292840), (70, 1163556), (72, 1131235), (84, 969630), (90, 904988), (105, 775704), (120, 678741), (126, 646420), (140, 581778), (168, 484815), (180, 452494), (210, 387852), (252, 323210), (280, 290889), (315, 258568), (360, 226247), (420, 193926), (504, 161605), (630, 129284), (840, 96963), (1260, 64642), (2520, 32321)]