640362996

素因数分解:

$2^2\times 3^4\times 7^1\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{587}}^1$

素因数の和:660

約数の個数: 240

約数和(自身を含む): 2119641216

約数和(自身を除く): 1479278220

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 13, 14, 18, 21, 26, 27, 28, 36, 37, 39, 42, 52, 54, 63, 74, 78, 81, 84, 91, 108, 111, 117, 126, 148, 156, 162, 182, 189, 222, 234, 252, 259, 273, 324, 333, 351, 364, 378, 444, 468, 481, 518, 546, 567, 587, 666, 702, 756, 777, 819, 962, 999, 1036, 1053, 1092, 1134, 1174, 1332, 1404, 1443, 1554, 1638, 1761, 1924, 1998, 2106, 2268, 2331, 2348, 2457, 2886, 2997, 3108, 3276, 3367, 3522, 3996, 4109, 4212, 4329, 4662, 4914, 5283, 5772, 5994, 6734, 6993, 7044, 7371, 7631, 8218, 8658, 9324, 9828, 10101, 10566, 11988, 12327, 12987, 13468, 13986, 14742, 15262, 15849, 16436, 17316, 20202, 20979, 21132, 21719, 22893, 24654, 25974, 27972, 29484, 30303, 30524, 31698, 36981, 38961, 40404, 41958, 43438, 45786, 47547, 49308, 51948, 53417, 60606, 63396, 65157, 68679, 73962, 77922, 83916, 86876, 90909, 91572, 95094, 106834, 110943, 121212, 130314, 137358, 147924, 152033, 155844, 160251, 181818, 190188, 195471, 206037, 213668, 221886, 260628, 272727, 274716, 282347, 304066, 320502, 332829, 363636, 390942, 412074, 443772, 456099, 480753, 545454, 564694, 586413, 608132, 618111, 641004, 665658, 781884, 824148, 847041, 912198, 961506, 1090908, 1129388, 1172826, 1236222, 1331316, 1368297, 1442259, 1694082, 1759239, 1824396, 1923012, 1976429, 2345652, 2472444, 2541123, 2736594, 2884518, 3388164, 3518478, 3952858, 4104891, 4326777, 5082246, 5473188, 5769036, 5929287, 7036956, 7623369, 7905716, 8209782, 8653554, 10164492, 11858574, 12314673, 15246738, 16419564, 17307108, 17787861, 22870107, 23717148, 24629346, 30493476, 35575722, 45740214, 49258692, 53363583, 71151444, 91480428, 106727166, 160090749, 213454332, 320181498, 640362996]

約数ペア:

[(1, 640362996), (2, 320181498), (3, 213454332), (4, 160090749), (6, 106727166), (7, 91480428), (9, 71151444), (12, 53363583), (13, 49258692), (14, 45740214), (18, 35575722), (21, 30493476), (26, 24629346), (27, 23717148), (28, 22870107), (36, 17787861), (37, 17307108), (39, 16419564), (42, 15246738), (52, 12314673), (54, 11858574), (63, 10164492), (74, 8653554), (78, 8209782), (81, 7905716), (84, 7623369), (91, 7036956), (108, 5929287), (111, 5769036), (117, 5473188), (126, 5082246), (148, 4326777), (156, 4104891), (162, 3952858), (182, 3518478), (189, 3388164), (222, 2884518), (234, 2736594), (252, 2541123), (259, 2472444), (273, 2345652), (324, 1976429), (333, 1923012), (351, 1824396), (364, 1759239), (378, 1694082), (444, 1442259), (468, 1368297), (481, 1331316), (518, 1236222), (546, 1172826), (567, 1129388), (587, 1090908), (666, 961506), (702, 912198), (756, 847041), (777, 824148), (819, 781884), (962, 665658), (999, 641004), (1036, 618111), (1053, 608132), (1092, 586413), (1134, 564694), (1174, 545454), (1332, 480753), (1404, 456099), (1443, 443772), (1554, 412074), (1638, 390942), (1761, 363636), (1924, 332829), (1998, 320502), (2106, 304066), (2268, 282347), (2331, 274716), (2348, 272727), (2457, 260628), (2886, 221886), (2997, 213668), (3108, 206037), (3276, 195471), (3367, 190188), (3522, 181818), (3996, 160251), (4109, 155844), (4212, 152033), (4329, 147924), (4662, 137358), (4914, 130314), (5283, 121212), (5772, 110943), (5994, 106834), (6734, 95094), (6993, 91572), (7044, 90909), (7371, 86876), (7631, 83916), (8218, 77922), (8658, 73962), (9324, 68679), (9828, 65157), (10101, 63396), (10566, 60606), (11988, 53417), (12327, 51948), (12987, 49308), (13468, 47547), (13986, 45786), (14742, 43438), (15262, 41958), (15849, 40404), (16436, 38961), (17316, 36981), (20202, 31698), (20979, 30524), (21132, 30303), (21719, 29484), (22893, 27972), (24654, 25974)]