68532880

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^2\times {\mathrm{37}}^1\times {\mathrm{137}}^1$

素因数の和:213

約数の個数: 120

約数和(自身を含む): 178495272

約数和(自身を除く): 109962392

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 37, 40, 52, 65, 74, 80, 104, 130, 137, 148, 169, 185, 208, 260, 274, 296, 338, 370, 481, 520, 548, 592, 676, 685, 740, 845, 962, 1040, 1096, 1352, 1370, 1480, 1690, 1781, 1924, 2192, 2405, 2704, 2740, 2960, 3380, 3562, 3848, 4810, 5069, 5480, 6253, 6760, 7124, 7696, 8905, 9620, 10138, 10960, 12506, 13520, 14248, 17810, 19240, 20276, 23153, 25012, 25345, 28496, 31265, 35620, 38480, 40552, 46306, 50024, 50690, 62530, 65897, 71240, 81104, 92612, 100048, 101380, 115765, 125060, 131794, 142480, 185224, 202760, 231530, 250120, 263588, 329485, 370448, 405520, 463060, 500240, 527176, 658970, 856661, 926120, 1054352, 1317940, 1713322, 1852240, 2635880, 3426644, 4283305, 5271760, 6853288, 8566610, 13706576, 17133220, 34266440, 68532880]

約数ペア:

[(1, 68532880), (2, 34266440), (4, 17133220), (5, 13706576), (8, 8566610), (10, 6853288), (13, 5271760), (16, 4283305), (20, 3426644), (26, 2635880), (37, 1852240), (40, 1713322), (52, 1317940), (65, 1054352), (74, 926120), (80, 856661), (104, 658970), (130, 527176), (137, 500240), (148, 463060), (169, 405520), (185, 370448), (208, 329485), (260, 263588), (274, 250120), (296, 231530), (338, 202760), (370, 185224), (481, 142480), (520, 131794), (548, 125060), (592, 115765), (676, 101380), (685, 100048), (740, 92612), (845, 81104), (962, 71240), (1040, 65897), (1096, 62530), (1352, 50690), (1370, 50024), (1480, 46306), (1690, 40552), (1781, 38480), (1924, 35620), (2192, 31265), (2405, 28496), (2704, 25345), (2740, 25012), (2960, 23153), (3380, 20276), (3562, 19240), (3848, 17810), (4810, 14248), (5069, 13520), (5480, 12506), (6253, 10960), (6760, 10138), (7124, 9620), (7696, 8905)]