31688800

素因数分解:

$2^5\times 5^2\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{277}}^1$

素因数の和:321

約数の個数: 144

約数和(自身を含む): 91212912

約数和(自身を除く): 59524112

約数列:

[1, 2, 4, 5, 8, 10, 11, 13, 16, 20, 22, 25, 26, 32, 40, 44, 50, 52, 55, 65, 80, 88, 100, 104, 110, 130, 143, 160, 176, 200, 208, 220, 260, 275, 277, 286, 325, 352, 400, 416, 440, 520, 550, 554, 572, 650, 715, 800, 880, 1040, 1100, 1108, 1144, 1300, 1385, 1430, 1760, 2080, 2200, 2216, 2288, 2600, 2770, 2860, 3047, 3575, 3601, 4400, 4432, 4576, 5200, 5540, 5720, 6094, 6925, 7150, 7202, 8800, 8864, 10400, 11080, 11440, 12188, 13850, 14300, 14404, 15235, 18005, 22160, 22880, 24376, 27700, 28600, 28808, 30470, 36010, 39611, 44320, 48752, 55400, 57200, 57616, 60940, 72020, 76175, 79222, 90025, 97504, 110800, 114400, 115232, 121880, 144040, 152350, 158444, 180050, 198055, 221600, 243760, 288080, 304700, 316888, 360100, 396110, 487520, 576160, 609400, 633776, 720200, 792220, 990275, 1218800, 1267552, 1440400, 1584440, 1980550, 2437600, 2880800, 3168880, 3961100, 6337760, 7922200, 15844400, 31688800]

約数ペア:

[(1, 31688800), (2, 15844400), (4, 7922200), (5, 6337760), (8, 3961100), (10, 3168880), (11, 2880800), (13, 2437600), (16, 1980550), (20, 1584440), (22, 1440400), (25, 1267552), (26, 1218800), (32, 990275), (40, 792220), (44, 720200), (50, 633776), (52, 609400), (55, 576160), (65, 487520), (80, 396110), (88, 360100), (100, 316888), (104, 304700), (110, 288080), (130, 243760), (143, 221600), (160, 198055), (176, 180050), (200, 158444), (208, 152350), (220, 144040), (260, 121880), (275, 115232), (277, 114400), (286, 110800), (325, 97504), (352, 90025), (400, 79222), (416, 76175), (440, 72020), (520, 60940), (550, 57616), (554, 57200), (572, 55400), (650, 48752), (715, 44320), (800, 39611), (880, 36010), (1040, 30470), (1100, 28808), (1108, 28600), (1144, 27700), (1300, 24376), (1385, 22880), (1430, 22160), (1760, 18005), (2080, 15235), (2200, 14404), (2216, 14300), (2288, 13850), (2600, 12188), (2770, 11440), (2860, 11080), (3047, 10400), (3575, 8864), (3601, 8800), (4400, 7202), (4432, 7150), (4576, 6925), (5200, 6094), (5540, 5720)]