55751220

素因数分解:

$2^2\times 3^3\times 5^1\times 7^4\times {\mathrm{43}}^1$

素因数の和:89

約数の個数: 240

約数和(自身を含む): 207049920

約数和(自身を除く): 151298700

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 27, 28, 30, 35, 36, 42, 43, 45, 49, 54, 60, 63, 70, 84, 86, 90, 98, 105, 108, 126, 129, 135, 140, 147, 172, 180, 189, 196, 210, 215, 245, 252, 258, 270, 294, 301, 315, 343, 378, 387, 420, 430, 441, 490, 516, 540, 588, 602, 630, 645, 686, 735, 756, 774, 860, 882, 903, 945, 980, 1029, 1161, 1204, 1260, 1290, 1323, 1372, 1470, 1505, 1548, 1715, 1764, 1806, 1890, 1935, 2058, 2107, 2205, 2322, 2401, 2580, 2646, 2709, 2940, 3010, 3087, 3430, 3612, 3780, 3870, 4116, 4214, 4410, 4515, 4644, 4802, 5145, 5292, 5418, 5805, 6020, 6174, 6321, 6615, 6860, 7203, 7740, 8127, 8428, 8820, 9030, 9261, 9604, 10290, 10535, 10836, 11610, 12005, 12348, 12642, 13230, 13545, 14406, 14749, 15435, 16254, 18060, 18522, 18963, 20580, 21070, 21609, 23220, 24010, 25284, 26460, 27090, 28812, 29498, 30870, 31605, 32508, 36015, 37044, 37926, 40635, 42140, 43218, 44247, 46305, 48020, 54180, 56889, 58996, 61740, 63210, 64827, 72030, 73745, 75852, 81270, 86436, 88494, 92610, 94815, 103243, 108045, 113778, 126420, 129654, 132741, 144060, 147490, 162540, 176988, 185220, 189630, 206486, 216090, 221235, 227556, 259308, 265482, 284445, 294980, 309729, 324135, 379260, 398223, 412972, 432180, 442470, 516215, 530964, 568890, 619458, 648270, 663705, 796446, 884940, 929187, 1032430, 1137780, 1238916, 1296540, 1327410, 1548645, 1592892, 1858374, 1991115, 2064860, 2654820, 2787561, 3097290, 3716748, 3982230, 4645935, 5575122, 6194580, 7964460, 9291870, 11150244, 13937805, 18583740, 27875610, 55751220]

約数ペア:

[(1, 55751220), (2, 27875610), (3, 18583740), (4, 13937805), (5, 11150244), (6, 9291870), (7, 7964460), (9, 6194580), (10, 5575122), (12, 4645935), (14, 3982230), (15, 3716748), (18, 3097290), (20, 2787561), (21, 2654820), (27, 2064860), (28, 1991115), (30, 1858374), (35, 1592892), (36, 1548645), (42, 1327410), (43, 1296540), (45, 1238916), (49, 1137780), (54, 1032430), (60, 929187), (63, 884940), (70, 796446), (84, 663705), (86, 648270), (90, 619458), (98, 568890), (105, 530964), (108, 516215), (126, 442470), (129, 432180), (135, 412972), (140, 398223), (147, 379260), (172, 324135), (180, 309729), (189, 294980), (196, 284445), (210, 265482), (215, 259308), (245, 227556), (252, 221235), (258, 216090), (270, 206486), (294, 189630), (301, 185220), (315, 176988), (343, 162540), (378, 147490), (387, 144060), (420, 132741), (430, 129654), (441, 126420), (490, 113778), (516, 108045), (540, 103243), (588, 94815), (602, 92610), (630, 88494), (645, 86436), (686, 81270), (735, 75852), (756, 73745), (774, 72030), (860, 64827), (882, 63210), (903, 61740), (945, 58996), (980, 56889), (1029, 54180), (1161, 48020), (1204, 46305), (1260, 44247), (1290, 43218), (1323, 42140), (1372, 40635), (1470, 37926), (1505, 37044), (1548, 36015), (1715, 32508), (1764, 31605), (1806, 30870), (1890, 29498), (1935, 28812), (2058, 27090), (2107, 26460), (2205, 25284), (2322, 24010), (2401, 23220), (2580, 21609), (2646, 21070), (2709, 20580), (2940, 18963), (3010, 18522), (3087, 18060), (3430, 16254), (3612, 15435), (3780, 14749), (3870, 14406), (4116, 13545), (4214, 13230), (4410, 12642), (4515, 12348), (4644, 12005), (4802, 11610), (5145, 10836), (5292, 10535), (5418, 10290), (5805, 9604), (6020, 9261), (6174, 9030), (6321, 8820), (6615, 8428), (6860, 8127), (7203, 7740)]