211307040

素因数分解:

$2^5\times 3^2\times 5^1\times 7^1\times {\mathrm{20963}}^1$

素因数の和:20991

約数の個数: 144

約数和(自身を含む): 824136768

約数和(自身を除く): 612829728

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 16, 18, 20, 21, 24, 28, 30, 32, 35, 36, 40, 42, 45, 48, 56, 60, 63, 70, 72, 80, 84, 90, 96, 105, 112, 120, 126, 140, 144, 160, 168, 180, 210, 224, 240, 252, 280, 288, 315, 336, 360, 420, 480, 504, 560, 630, 672, 720, 840, 1008, 1120, 1260, 1440, 1680, 2016, 2520, 3360, 5040, 10080, 20963, 41926, 62889, 83852, 104815, 125778, 146741, 167704, 188667, 209630, 251556, 293482, 314445, 335408, 377334, 419260, 440223, 503112, 586964, 628890, 670816, 733705, 754668, 838520, 880446, 943335, 1006224, 1173928, 1257780, 1320669, 1467410, 1509336, 1677040, 1760892, 1886670, 2012448, 2201115, 2347856, 2515560, 2641338, 2934820, 3018672, 3354080, 3521784, 3773340, 4402230, 4695712, 5031120, 5282676, 5869640, 6037344, 6603345, 7043568, 7546680, 8804460, 10062240, 10565352, 11739280, 13206690, 14087136, 15093360, 17608920, 21130704, 23478560, 26413380, 30186720, 35217840, 42261408, 52826760, 70435680, 105653520, 211307040]

約数ペア:

[(1, 211307040), (2, 105653520), (3, 70435680), (4, 52826760), (5, 42261408), (6, 35217840), (7, 30186720), (8, 26413380), (9, 23478560), (10, 21130704), (12, 17608920), (14, 15093360), (15, 14087136), (16, 13206690), (18, 11739280), (20, 10565352), (21, 10062240), (24, 8804460), (28, 7546680), (30, 7043568), (32, 6603345), (35, 6037344), (36, 5869640), (40, 5282676), (42, 5031120), (45, 4695712), (48, 4402230), (56, 3773340), (60, 3521784), (63, 3354080), (70, 3018672), (72, 2934820), (80, 2641338), (84, 2515560), (90, 2347856), (96, 2201115), (105, 2012448), (112, 1886670), (120, 1760892), (126, 1677040), (140, 1509336), (144, 1467410), (160, 1320669), (168, 1257780), (180, 1173928), (210, 1006224), (224, 943335), (240, 880446), (252, 838520), (280, 754668), (288, 733705), (315, 670816), (336, 628890), (360, 586964), (420, 503112), (480, 440223), (504, 419260), (560, 377334), (630, 335408), (672, 314445), (720, 293482), (840, 251556), (1008, 209630), (1120, 188667), (1260, 167704), (1440, 146741), (1680, 125778), (2016, 104815), (2520, 83852), (3360, 62889), (5040, 41926), (10080, 20963)]