72030210

素因数分解:

$2^1\times 3^1\times 5^1\times 7^1\times {\mathrm{71}}^1\times {\mathrm{4831}}^1$

素因数の和:4919

約数の個数: 64

約数和(自身を含む): 200392704

約数和(自身を除く): 128362494

約数列:

[1, 2, 3, 5, 6, 7, 10, 14, 15, 21, 30, 35, 42, 70, 71, 105, 142, 210, 213, 355, 426, 497, 710, 994, 1065, 1491, 2130, 2485, 2982, 4831, 4970, 7455, 9662, 14493, 14910, 24155, 28986, 33817, 48310, 67634, 72465, 101451, 144930, 169085, 202902, 338170, 343001, 507255, 686002, 1014510, 1029003, 1715005, 2058006, 2401007, 3430010, 4802014, 5145015, 7203021, 10290030, 12005035, 14406042, 24010070, 36015105, 72030210]

約数ペア:

[(1, 72030210), (2, 36015105), (3, 24010070), (5, 14406042), (6, 12005035), (7, 10290030), (10, 7203021), (14, 5145015), (15, 4802014), (21, 3430010), (30, 2401007), (35, 2058006), (42, 1715005), (70, 1029003), (71, 1014510), (105, 686002), (142, 507255), (210, 343001), (213, 338170), (355, 202902), (426, 169085), (497, 144930), (710, 101451), (994, 72465), (1065, 67634), (1491, 48310), (2130, 33817), (2485, 28986), (2982, 24155), (4831, 14910), (4970, 14493), (7455, 9662)]