68931450

素因数分解:

$2^1\times 3^2\times 5^2\times 7^1\times {\mathrm{79}}^1\times {\mathrm{277}}^1$

素因数の和:381

約数の個数: 144

約数和(自身を含む): 215105280

約数和(自身を除く): 146173830

約数列:

[1, 2, 3, 5, 6, 7, 9, 10, 14, 15, 18, 21, 25, 30, 35, 42, 45, 50, 63, 70, 75, 79, 90, 105, 126, 150, 158, 175, 210, 225, 237, 277, 315, 350, 395, 450, 474, 525, 553, 554, 630, 711, 790, 831, 1050, 1106, 1185, 1385, 1422, 1575, 1659, 1662, 1939, 1975, 2370, 2493, 2765, 2770, 3150, 3318, 3555, 3878, 3950, 4155, 4977, 4986, 5530, 5817, 5925, 6925, 7110, 8295, 8310, 9695, 9954, 11634, 11850, 12465, 13825, 13850, 16590, 17451, 17775, 19390, 20775, 21883, 24885, 24930, 27650, 29085, 34902, 35550, 41475, 41550, 43766, 48475, 49770, 58170, 62325, 65649, 82950, 87255, 96950, 109415, 124425, 124650, 131298, 145425, 153181, 174510, 196947, 218830, 248850, 290850, 306362, 328245, 393894, 436275, 459543, 547075, 656490, 765905, 872550, 919086, 984735, 1094150, 1378629, 1531810, 1641225, 1969470, 2297715, 2757258, 3282450, 3829525, 4595430, 4923675, 6893145, 7659050, 9847350, 11488575, 13786290, 22977150, 34465725, 68931450]

約数ペア:

[(1, 68931450), (2, 34465725), (3, 22977150), (5, 13786290), (6, 11488575), (7, 9847350), (9, 7659050), (10, 6893145), (14, 4923675), (15, 4595430), (18, 3829525), (21, 3282450), (25, 2757258), (30, 2297715), (35, 1969470), (42, 1641225), (45, 1531810), (50, 1378629), (63, 1094150), (70, 984735), (75, 919086), (79, 872550), (90, 765905), (105, 656490), (126, 547075), (150, 459543), (158, 436275), (175, 393894), (210, 328245), (225, 306362), (237, 290850), (277, 248850), (315, 218830), (350, 196947), (395, 174510), (450, 153181), (474, 145425), (525, 131298), (553, 124650), (554, 124425), (630, 109415), (711, 96950), (790, 87255), (831, 82950), (1050, 65649), (1106, 62325), (1185, 58170), (1385, 49770), (1422, 48475), (1575, 43766), (1659, 41550), (1662, 41475), (1939, 35550), (1975, 34902), (2370, 29085), (2493, 27650), (2765, 24930), (2770, 24885), (3150, 21883), (3318, 20775), (3555, 19390), (3878, 17775), (3950, 17451), (4155, 16590), (4977, 13850), (4986, 13825), (5530, 12465), (5817, 11850), (5925, 11634), (6925, 9954), (7110, 9695), (8295, 8310)]