641888604

素因数分解:

$2^2\times 3^3\times 7^1\times {\mathrm{31}}^1\times {\mathrm{61}}^1\times {\mathrm{449}}^1$

素因数の和:561

約数の個数: 192

約数和(自身を含む): 1999872000

約数和(自身を除く): 1357983396

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 27, 28, 31, 36, 42, 54, 61, 62, 63, 84, 93, 108, 122, 124, 126, 183, 186, 189, 217, 244, 252, 279, 366, 372, 378, 427, 434, 449, 549, 558, 651, 732, 756, 837, 854, 868, 898, 1098, 1116, 1281, 1302, 1347, 1647, 1674, 1708, 1796, 1891, 1953, 2196, 2562, 2604, 2694, 3143, 3294, 3348, 3782, 3843, 3906, 4041, 5124, 5388, 5673, 5859, 6286, 6588, 7564, 7686, 7812, 8082, 9429, 11346, 11529, 11718, 12123, 12572, 13237, 13919, 15372, 16164, 17019, 18858, 22692, 23058, 23436, 24246, 26474, 27389, 27838, 28287, 34038, 37716, 39711, 41757, 46116, 48492, 51057, 52948, 54778, 55676, 56574, 68076, 79422, 82167, 83514, 84861, 97433, 102114, 109556, 113148, 119133, 125271, 158844, 164334, 167028, 169722, 191723, 194866, 204228, 238266, 246501, 250542, 292299, 328668, 339444, 357399, 375813, 383446, 389732, 476532, 493002, 501084, 575169, 584598, 714798, 739503, 751626, 766892, 849059, 876897, 986004, 1150338, 1169196, 1429596, 1479006, 1503252, 1698118, 1725507, 1753794, 2300676, 2547177, 2630691, 2958012, 3396236, 3451014, 3507588, 5094354, 5176521, 5261382, 5943413, 6902028, 7641531, 10188708, 10353042, 10522764, 11886826, 15283062, 17830239, 20706084, 22924593, 23773652, 30566124, 35660478, 45849186, 53490717, 71320956, 91698372, 106981434, 160472151, 213962868, 320944302, 641888604]

約数ペア:

[(1, 641888604), (2, 320944302), (3, 213962868), (4, 160472151), (6, 106981434), (7, 91698372), (9, 71320956), (12, 53490717), (14, 45849186), (18, 35660478), (21, 30566124), (27, 23773652), (28, 22924593), (31, 20706084), (36, 17830239), (42, 15283062), (54, 11886826), (61, 10522764), (62, 10353042), (63, 10188708), (84, 7641531), (93, 6902028), (108, 5943413), (122, 5261382), (124, 5176521), (126, 5094354), (183, 3507588), (186, 3451014), (189, 3396236), (217, 2958012), (244, 2630691), (252, 2547177), (279, 2300676), (366, 1753794), (372, 1725507), (378, 1698118), (427, 1503252), (434, 1479006), (449, 1429596), (549, 1169196), (558, 1150338), (651, 986004), (732, 876897), (756, 849059), (837, 766892), (854, 751626), (868, 739503), (898, 714798), (1098, 584598), (1116, 575169), (1281, 501084), (1302, 493002), (1347, 476532), (1647, 389732), (1674, 383446), (1708, 375813), (1796, 357399), (1891, 339444), (1953, 328668), (2196, 292299), (2562, 250542), (2604, 246501), (2694, 238266), (3143, 204228), (3294, 194866), (3348, 191723), (3782, 169722), (3843, 167028), (3906, 164334), (4041, 158844), (5124, 125271), (5388, 119133), (5673, 113148), (5859, 109556), (6286, 102114), (6588, 97433), (7564, 84861), (7686, 83514), (7812, 82167), (8082, 79422), (9429, 68076), (11346, 56574), (11529, 55676), (11718, 54778), (12123, 52948), (12572, 51057), (13237, 48492), (13919, 46116), (15372, 41757), (16164, 39711), (17019, 37716), (18858, 34038), (22692, 28287), (23058, 27838), (23436, 27389), (24246, 26474)]