201516420

素因数分解:

$2^2\times 3^1\times 5^1\times 7^2\times {\mathrm{68543}}^1$

素因数の和:68569

約数の個数: 72

約数和(自身を含む): 656377344

約数和(自身を除く): 454860924

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 49, 60, 70, 84, 98, 105, 140, 147, 196, 210, 245, 294, 420, 490, 588, 735, 980, 1470, 2940, 68543, 137086, 205629, 274172, 342715, 411258, 479801, 685430, 822516, 959602, 1028145, 1370860, 1439403, 1919204, 2056290, 2399005, 2878806, 3358607, 4112580, 4798010, 5757612, 6717214, 7197015, 9596020, 10075821, 13434428, 14394030, 16793035, 20151642, 28788060, 33586070, 40303284, 50379105, 67172140, 100758210, 201516420]

約数ペア:

[(1, 201516420), (2, 100758210), (3, 67172140), (4, 50379105), (5, 40303284), (6, 33586070), (7, 28788060), (10, 20151642), (12, 16793035), (14, 14394030), (15, 13434428), (20, 10075821), (21, 9596020), (28, 7197015), (30, 6717214), (35, 5757612), (42, 4798010), (49, 4112580), (60, 3358607), (70, 2878806), (84, 2399005), (98, 2056290), (105, 1919204), (140, 1439403), (147, 1370860), (196, 1028145), (210, 959602), (245, 822516), (294, 685430), (420, 479801), (490, 411258), (588, 342715), (735, 274172), (980, 205629), (1470, 137086), (2940, 68543)]