647347860

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{61}}^1\times {\mathrm{107}}^1$

素因数の和:231

約数の個数: 288

約数和(自身を含む): 2193609600

約数和(自身を除く): 1546261740

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 19, 20, 29, 30, 36, 38, 45, 57, 58, 60, 61, 76, 87, 90, 95, 107, 114, 116, 122, 145, 171, 174, 180, 183, 190, 214, 228, 244, 261, 285, 290, 305, 321, 342, 348, 366, 380, 428, 435, 522, 535, 549, 551, 570, 580, 610, 642, 684, 732, 855, 870, 915, 963, 1044, 1070, 1098, 1102, 1140, 1159, 1220, 1284, 1305, 1605, 1653, 1710, 1740, 1769, 1830, 1926, 2033, 2140, 2196, 2204, 2318, 2610, 2745, 2755, 3103, 3210, 3306, 3420, 3477, 3538, 3660, 3852, 4066, 4636, 4815, 4959, 5220, 5307, 5490, 5510, 5795, 6099, 6206, 6420, 6527, 6612, 6954, 7076, 8132, 8265, 8845, 9309, 9630, 9918, 10165, 10431, 10614, 10980, 11020, 11590, 12198, 12412, 13054, 13908, 15515, 15921, 16530, 17385, 17690, 18297, 18618, 19260, 19581, 19836, 20330, 20862, 21228, 23180, 24396, 24795, 26108, 26535, 27927, 30495, 31030, 31842, 32635, 33060, 33611, 34770, 35380, 36594, 37236, 39162, 40660, 41724, 46545, 49590, 52155, 53070, 55854, 58743, 58957, 60990, 62060, 63684, 65270, 67222, 69540, 73188, 78324, 79605, 91485, 93090, 97905, 99180, 100833, 104310, 106140, 111708, 117486, 117914, 121980, 124013, 130540, 134444, 139635, 159210, 168055, 176871, 182970, 186180, 189283, 195810, 201666, 208620, 234972, 235828, 248026, 279270, 293715, 294785, 302499, 318420, 336110, 353742, 365940, 372039, 378566, 391620, 403332, 496052, 504165, 530613, 558540, 567849, 587430, 589570, 604998, 620065, 672220, 707484, 744078, 757132, 884355, 946415, 1008330, 1061226, 1116117, 1135698, 1174860, 1179140, 1209996, 1240130, 1488156, 1512495, 1703547, 1768710, 1860195, 1892830, 2016660, 2122452, 2232234, 2271396, 2480260, 2653065, 2839245, 3024990, 3407094, 3537420, 3596377, 3720390, 3785660, 4464468, 5306130, 5580585, 5678490, 6049980, 6814188, 7192754, 7440780, 8517735, 10612260, 10789131, 11161170, 11356980, 14385508, 17035470, 17981885, 21578262, 22322340, 32367393, 34070940, 35963770, 43156524, 53945655, 64734786, 71927540, 107891310, 129469572, 161836965, 215782620, 323673930, 647347860]

約数ペア:

[(1, 647347860), (2, 323673930), (3, 215782620), (4, 161836965), (5, 129469572), (6, 107891310), (9, 71927540), (10, 64734786), (12, 53945655), (15, 43156524), (18, 35963770), (19, 34070940), (20, 32367393), (29, 22322340), (30, 21578262), (36, 17981885), (38, 17035470), (45, 14385508), (57, 11356980), (58, 11161170), (60, 10789131), (61, 10612260), (76, 8517735), (87, 7440780), (90, 7192754), (95, 6814188), (107, 6049980), (114, 5678490), (116, 5580585), (122, 5306130), (145, 4464468), (171, 3785660), (174, 3720390), (180, 3596377), (183, 3537420), (190, 3407094), (214, 3024990), (228, 2839245), (244, 2653065), (261, 2480260), (285, 2271396), (290, 2232234), (305, 2122452), (321, 2016660), (342, 1892830), (348, 1860195), (366, 1768710), (380, 1703547), (428, 1512495), (435, 1488156), (522, 1240130), (535, 1209996), (549, 1179140), (551, 1174860), (570, 1135698), (580, 1116117), (610, 1061226), (642, 1008330), (684, 946415), (732, 884355), (855, 757132), (870, 744078), (915, 707484), (963, 672220), (1044, 620065), (1070, 604998), (1098, 589570), (1102, 587430), (1140, 567849), (1159, 558540), (1220, 530613), (1284, 504165), (1305, 496052), (1605, 403332), (1653, 391620), (1710, 378566), (1740, 372039), (1769, 365940), (1830, 353742), (1926, 336110), (2033, 318420), (2140, 302499), (2196, 294785), (2204, 293715), (2318, 279270), (2610, 248026), (2745, 235828), (2755, 234972), (3103, 208620), (3210, 201666), (3306, 195810), (3420, 189283), (3477, 186180), (3538, 182970), (3660, 176871), (3852, 168055), (4066, 159210), (4636, 139635), (4815, 134444), (4959, 130540), (5220, 124013), (5307, 121980), (5490, 117914), (5510, 117486), (5795, 111708), (6099, 106140), (6206, 104310), (6420, 100833), (6527, 99180), (6612, 97905), (6954, 93090), (7076, 91485), (8132, 79605), (8265, 78324), (8845, 73188), (9309, 69540), (9630, 67222), (9918, 65270), (10165, 63684), (10431, 62060), (10614, 60990), (10980, 58957), (11020, 58743), (11590, 55854), (12198, 53070), (12412, 52155), (13054, 49590), (13908, 46545), (15515, 41724), (15921, 40660), (16530, 39162), (17385, 37236), (17690, 36594), (18297, 35380), (18618, 34770), (19260, 33611), (19581, 33060), (19836, 32635), (20330, 31842), (20862, 31030), (21228, 30495), (23180, 27927), (24396, 26535), (24795, 26108)]