61757640

素因数分解:

$2^3\times 3^4\times 5^1\times 7^2\times {\mathrm{389}}^1$

素因数の和:426

約数の個数: 240

約数和(自身を含む): 242084700

約数和(自身を除く): 180327060

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 18, 20, 21, 24, 27, 28, 30, 35, 36, 40, 42, 45, 49, 54, 56, 60, 63, 70, 72, 81, 84, 90, 98, 105, 108, 120, 126, 135, 140, 147, 162, 168, 180, 189, 196, 210, 216, 245, 252, 270, 280, 294, 315, 324, 360, 378, 389, 392, 405, 420, 441, 490, 504, 540, 567, 588, 630, 648, 735, 756, 778, 810, 840, 882, 945, 980, 1080, 1134, 1167, 1176, 1260, 1323, 1470, 1512, 1556, 1620, 1764, 1890, 1945, 1960, 2205, 2268, 2334, 2520, 2646, 2723, 2835, 2940, 3112, 3240, 3501, 3528, 3780, 3890, 3969, 4410, 4536, 4668, 5292, 5446, 5670, 5835, 5880, 6615, 7002, 7560, 7780, 7938, 8169, 8820, 9336, 10503, 10584, 10892, 11340, 11670, 13230, 13615, 14004, 15560, 15876, 16338, 17505, 17640, 19061, 19845, 21006, 21784, 22680, 23340, 24507, 26460, 27230, 28008, 31509, 31752, 32676, 35010, 38122, 39690, 40845, 42012, 46680, 49014, 52515, 52920, 54460, 57183, 63018, 65352, 70020, 73521, 76244, 79380, 81690, 84024, 95305, 98028, 105030, 108920, 114366, 122535, 126036, 140040, 147042, 152488, 157545, 158760, 163380, 171549, 190610, 196056, 210060, 220563, 228732, 245070, 252072, 285915, 294084, 315090, 326760, 343098, 367605, 381220, 420120, 441126, 457464, 490140, 514647, 571830, 588168, 630180, 686196, 735210, 762440, 857745, 882252, 980280, 1029294, 1102815, 1143660, 1260360, 1372392, 1470420, 1543941, 1715490, 1764504, 2058588, 2205630, 2287320, 2573235, 2940840, 3087882, 3430980, 4117176, 4411260, 5146470, 6175764, 6861960, 7719705, 8822520, 10292940, 12351528, 15439410, 20585880, 30878820, 61757640]

約数ペア:

[(1, 61757640), (2, 30878820), (3, 20585880), (4, 15439410), (5, 12351528), (6, 10292940), (7, 8822520), (8, 7719705), (9, 6861960), (10, 6175764), (12, 5146470), (14, 4411260), (15, 4117176), (18, 3430980), (20, 3087882), (21, 2940840), (24, 2573235), (27, 2287320), (28, 2205630), (30, 2058588), (35, 1764504), (36, 1715490), (40, 1543941), (42, 1470420), (45, 1372392), (49, 1260360), (54, 1143660), (56, 1102815), (60, 1029294), (63, 980280), (70, 882252), (72, 857745), (81, 762440), (84, 735210), (90, 686196), (98, 630180), (105, 588168), (108, 571830), (120, 514647), (126, 490140), (135, 457464), (140, 441126), (147, 420120), (162, 381220), (168, 367605), (180, 343098), (189, 326760), (196, 315090), (210, 294084), (216, 285915), (245, 252072), (252, 245070), (270, 228732), (280, 220563), (294, 210060), (315, 196056), (324, 190610), (360, 171549), (378, 163380), (389, 158760), (392, 157545), (405, 152488), (420, 147042), (441, 140040), (490, 126036), (504, 122535), (540, 114366), (567, 108920), (588, 105030), (630, 98028), (648, 95305), (735, 84024), (756, 81690), (778, 79380), (810, 76244), (840, 73521), (882, 70020), (945, 65352), (980, 63018), (1080, 57183), (1134, 54460), (1167, 52920), (1176, 52515), (1260, 49014), (1323, 46680), (1470, 42012), (1512, 40845), (1556, 39690), (1620, 38122), (1764, 35010), (1890, 32676), (1945, 31752), (1960, 31509), (2205, 28008), (2268, 27230), (2334, 26460), (2520, 24507), (2646, 23340), (2723, 22680), (2835, 21784), (2940, 21006), (3112, 19845), (3240, 19061), (3501, 17640), (3528, 17505), (3780, 16338), (3890, 15876), (3969, 15560), (4410, 14004), (4536, 13615), (4668, 13230), (5292, 11670), (5446, 11340), (5670, 10892), (5835, 10584), (5880, 10503), (6615, 9336), (7002, 8820), (7560, 8169), (7780, 7938)]