7492140

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{107}}^1\times {\mathrm{389}}^1$

素因数の和:511

約数の個数: 72

約数和(自身を含む): 22997520

約数和(自身を除く): 15505380

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 107, 180, 214, 321, 389, 428, 535, 642, 778, 963, 1070, 1167, 1284, 1556, 1605, 1926, 1945, 2140, 2334, 3210, 3501, 3852, 3890, 4668, 4815, 5835, 6420, 7002, 7780, 9630, 11670, 14004, 17505, 19260, 23340, 35010, 41623, 70020, 83246, 124869, 166492, 208115, 249738, 374607, 416230, 499476, 624345, 749214, 832460, 1248690, 1498428, 1873035, 2497380, 3746070, 7492140]

約数ペア:

[(1, 7492140), (2, 3746070), (3, 2497380), (4, 1873035), (5, 1498428), (6, 1248690), (9, 832460), (10, 749214), (12, 624345), (15, 499476), (18, 416230), (20, 374607), (30, 249738), (36, 208115), (45, 166492), (60, 124869), (90, 83246), (107, 70020), (180, 41623), (214, 35010), (321, 23340), (389, 19260), (428, 17505), (535, 14004), (642, 11670), (778, 9630), (963, 7780), (1070, 7002), (1167, 6420), (1284, 5835), (1556, 4815), (1605, 4668), (1926, 3890), (1945, 3852), (2140, 3501), (2334, 3210)]