76440520

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{37}}^1\times {\mathrm{137}}^1$

素因数の和:227

約数の個数: 128

約数和(自身を含む): 198223200

約数和(自身を除く): 121782680

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 29, 37, 40, 52, 58, 65, 74, 104, 116, 130, 137, 145, 148, 185, 232, 260, 274, 290, 296, 370, 377, 481, 520, 548, 580, 685, 740, 754, 962, 1073, 1096, 1160, 1370, 1480, 1508, 1781, 1885, 1924, 2146, 2405, 2740, 3016, 3562, 3770, 3848, 3973, 4292, 4810, 5069, 5365, 5480, 7124, 7540, 7946, 8584, 8905, 9620, 10138, 10730, 13949, 14248, 15080, 15892, 17810, 19240, 19865, 20276, 21460, 25345, 27898, 31784, 35620, 39730, 40552, 42920, 50690, 51649, 55796, 65897, 69745, 71240, 79460, 101380, 103298, 111592, 131794, 139490, 147001, 158920, 202760, 206596, 258245, 263588, 278980, 294002, 329485, 413192, 516490, 527176, 557960, 588004, 658970, 735005, 1032980, 1176008, 1317940, 1470010, 1911013, 2065960, 2635880, 2940020, 3822026, 5880040, 7644052, 9555065, 15288104, 19110130, 38220260, 76440520]

約数ペア:

[(1, 76440520), (2, 38220260), (4, 19110130), (5, 15288104), (8, 9555065), (10, 7644052), (13, 5880040), (20, 3822026), (26, 2940020), (29, 2635880), (37, 2065960), (40, 1911013), (52, 1470010), (58, 1317940), (65, 1176008), (74, 1032980), (104, 735005), (116, 658970), (130, 588004), (137, 557960), (145, 527176), (148, 516490), (185, 413192), (232, 329485), (260, 294002), (274, 278980), (290, 263588), (296, 258245), (370, 206596), (377, 202760), (481, 158920), (520, 147001), (548, 139490), (580, 131794), (685, 111592), (740, 103298), (754, 101380), (962, 79460), (1073, 71240), (1096, 69745), (1160, 65897), (1370, 55796), (1480, 51649), (1508, 50690), (1781, 42920), (1885, 40552), (1924, 39730), (2146, 35620), (2405, 31784), (2740, 27898), (3016, 25345), (3562, 21460), (3770, 20276), (3848, 19865), (3973, 19240), (4292, 17810), (4810, 15892), (5069, 15080), (5365, 14248), (5480, 13949), (7124, 10730), (7540, 10138), (7946, 9620), (8584, 8905)]