61750780

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{131}}^1$

素因数の和:204

約数の個数: 144

約数和(自身を含む): 168116256

約数和(自身を除く): 106365476

約数列:

[1, 2, 4, 5, 7, 10, 13, 14, 20, 26, 28, 35, 37, 49, 52, 65, 70, 74, 91, 98, 130, 131, 140, 148, 182, 185, 196, 245, 259, 260, 262, 364, 370, 455, 481, 490, 518, 524, 637, 655, 740, 910, 917, 962, 980, 1036, 1274, 1295, 1310, 1703, 1813, 1820, 1834, 1924, 2405, 2548, 2590, 2620, 3185, 3367, 3406, 3626, 3668, 4585, 4810, 4847, 5180, 6370, 6419, 6734, 6812, 7252, 8515, 9065, 9170, 9620, 9694, 11921, 12740, 12838, 13468, 16835, 17030, 18130, 18340, 19388, 23569, 23842, 24235, 25676, 32095, 33670, 33929, 34060, 36260, 47138, 47684, 48470, 59605, 63011, 64190, 67340, 67858, 83447, 94276, 96940, 117845, 119210, 126022, 128380, 135716, 166894, 169645, 235690, 237503, 238420, 252044, 315055, 333788, 339290, 417235, 441077, 471380, 475006, 630110, 678580, 834470, 882154, 950012, 1187515, 1260220, 1668940, 1764308, 2205385, 2375030, 3087539, 4410770, 4750060, 6175078, 8821540, 12350156, 15437695, 30875390, 61750780]

約数ペア:

[(1, 61750780), (2, 30875390), (4, 15437695), (5, 12350156), (7, 8821540), (10, 6175078), (13, 4750060), (14, 4410770), (20, 3087539), (26, 2375030), (28, 2205385), (35, 1764308), (37, 1668940), (49, 1260220), (52, 1187515), (65, 950012), (70, 882154), (74, 834470), (91, 678580), (98, 630110), (130, 475006), (131, 471380), (140, 441077), (148, 417235), (182, 339290), (185, 333788), (196, 315055), (245, 252044), (259, 238420), (260, 237503), (262, 235690), (364, 169645), (370, 166894), (455, 135716), (481, 128380), (490, 126022), (518, 119210), (524, 117845), (637, 96940), (655, 94276), (740, 83447), (910, 67858), (917, 67340), (962, 64190), (980, 63011), (1036, 59605), (1274, 48470), (1295, 47684), (1310, 47138), (1703, 36260), (1813, 34060), (1820, 33929), (1834, 33670), (1924, 32095), (2405, 25676), (2548, 24235), (2590, 23842), (2620, 23569), (3185, 19388), (3367, 18340), (3406, 18130), (3626, 17030), (3668, 16835), (4585, 13468), (4810, 12838), (4847, 12740), (5180, 11921), (6370, 9694), (6419, 9620), (6734, 9170), (6812, 9065), (7252, 8515)]