68521920

素因数分解:

$2^6\times 3^1\times 5^1\times {\mathrm{137}}^1\times {\mathrm{521}}^1$

素因数の和:678

約数の個数: 112

約数和(自身を含む): 219565728

約数和(自身を除く): 151043808

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 32, 40, 48, 60, 64, 80, 96, 120, 137, 160, 192, 240, 274, 320, 411, 480, 521, 548, 685, 822, 960, 1042, 1096, 1370, 1563, 1644, 2055, 2084, 2192, 2605, 2740, 3126, 3288, 4110, 4168, 4384, 5210, 5480, 6252, 6576, 7815, 8220, 8336, 8768, 10420, 10960, 12504, 13152, 15630, 16440, 16672, 20840, 21920, 25008, 26304, 31260, 32880, 33344, 41680, 43840, 50016, 62520, 65760, 71377, 83360, 100032, 125040, 131520, 142754, 166720, 214131, 250080, 285508, 356885, 428262, 500160, 571016, 713770, 856524, 1070655, 1142032, 1427540, 1713048, 2141310, 2284064, 2855080, 3426096, 4282620, 4568128, 5710160, 6852192, 8565240, 11420320, 13704384, 17130480, 22840640, 34260960, 68521920]

約数ペア:

[(1, 68521920), (2, 34260960), (3, 22840640), (4, 17130480), (5, 13704384), (6, 11420320), (8, 8565240), (10, 6852192), (12, 5710160), (15, 4568128), (16, 4282620), (20, 3426096), (24, 2855080), (30, 2284064), (32, 2141310), (40, 1713048), (48, 1427540), (60, 1142032), (64, 1070655), (80, 856524), (96, 713770), (120, 571016), (137, 500160), (160, 428262), (192, 356885), (240, 285508), (274, 250080), (320, 214131), (411, 166720), (480, 142754), (521, 131520), (548, 125040), (685, 100032), (822, 83360), (960, 71377), (1042, 65760), (1096, 62520), (1370, 50016), (1563, 43840), (1644, 41680), (2055, 33344), (2084, 32880), (2192, 31260), (2605, 26304), (2740, 25008), (3126, 21920), (3288, 20840), (4110, 16672), (4168, 16440), (4384, 15630), (5210, 13152), (5480, 12504), (6252, 10960), (6576, 10420), (7815, 8768), (8220, 8336)]