2911480

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{509}}^1$

素因数の和:544

約数の個数: 64

約数和(自身を含む): 7711200

約数和(自身を除く): 4799720

約数列:

[1, 2, 4, 5, 8, 10, 11, 13, 20, 22, 26, 40, 44, 52, 55, 65, 88, 104, 110, 130, 143, 220, 260, 286, 440, 509, 520, 572, 715, 1018, 1144, 1430, 2036, 2545, 2860, 4072, 5090, 5599, 5720, 6617, 10180, 11198, 13234, 20360, 22396, 26468, 27995, 33085, 44792, 52936, 55990, 66170, 72787, 111980, 132340, 145574, 223960, 264680, 291148, 363935, 582296, 727870, 1455740, 2911480]

約数ペア:

[(1, 2911480), (2, 1455740), (4, 727870), (5, 582296), (8, 363935), (10, 291148), (11, 264680), (13, 223960), (20, 145574), (22, 132340), (26, 111980), (40, 72787), (44, 66170), (52, 55990), (55, 52936), (65, 44792), (88, 33085), (104, 27995), (110, 26468), (130, 22396), (143, 20360), (220, 13234), (260, 11198), (286, 10180), (440, 6617), (509, 5720), (520, 5599), (572, 5090), (715, 4072), (1018, 2860), (1144, 2545), (1430, 2036)]