72390180

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{71}}^1\times {\mathrm{16993}}^1$

素因数の和:17076

約数の個数: 48

約数和(自身を含む): 205559424

約数和(自身を除く): 133169244

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 71, 142, 213, 284, 355, 426, 710, 852, 1065, 1420, 2130, 4260, 16993, 33986, 50979, 67972, 84965, 101958, 169930, 203916, 254895, 339860, 509790, 1019580, 1206503, 2413006, 3619509, 4826012, 6032515, 7239018, 12065030, 14478036, 18097545, 24130060, 36195090, 72390180]

約数ペア:

[(1, 72390180), (2, 36195090), (3, 24130060), (4, 18097545), (5, 14478036), (6, 12065030), (10, 7239018), (12, 6032515), (15, 4826012), (20, 3619509), (30, 2413006), (60, 1206503), (71, 1019580), (142, 509790), (213, 339860), (284, 254895), (355, 203916), (426, 169930), (710, 101958), (852, 84965), (1065, 67972), (1420, 50979), (2130, 33986), (4260, 16993)]