81040680

素因数分解:

$2^3\times 3^2\times 5^1\times 7^1\times {\mathrm{32159}}^1$

素因数の和:32183

約数の個数: 96

約数和(自身を含む): 301017600

約数和(自身を除く): 219976920

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, 32159, 64318, 96477, 128636, 160795, 192954, 225113, 257272, 289431, 321590, 385908, 450226, 482385, 578862, 643180, 675339, 771816, 900452, 964770, 1125565, 1157724, 1286360, 1350678, 1447155, 1800904, 1929540, 2026017, 2251130, 2315448, 2701356, 2894310, 3376695, 3859080, 4052034, 4502260, 5402712, 5788620, 6753390, 8104068, 9004520, 10130085, 11577240, 13506780, 16208136, 20260170, 27013560, 40520340, 81040680]

約数ペア:

[(1, 81040680), (2, 40520340), (3, 27013560), (4, 20260170), (5, 16208136), (6, 13506780), (7, 11577240), (8, 10130085), (9, 9004520), (10, 8104068), (12, 6753390), (14, 5788620), (15, 5402712), (18, 4502260), (20, 4052034), (21, 3859080), (24, 3376695), (28, 2894310), (30, 2701356), (35, 2315448), (36, 2251130), (40, 2026017), (42, 1929540), (45, 1800904), (56, 1447155), (60, 1350678), (63, 1286360), (70, 1157724), (72, 1125565), (84, 964770), (90, 900452), (105, 771816), (120, 675339), (126, 643180), (140, 578862), (168, 482385), (180, 450226), (210, 385908), (252, 321590), (280, 289431), (315, 257272), (360, 225113), (420, 192954), (504, 160795), (630, 128636), (840, 96477), (1260, 64318), (2520, 32159)]