645763356

素因数分解:

$2^2\times 3^2\times 7^4\times {\mathrm{31}}^1\times {\mathrm{241}}^1$

素因数の和:310

約数の個数: 180

約数和(自身を含む): 1973875904

約数和(自身を除く): 1328112548

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 28, 31, 36, 42, 49, 62, 63, 84, 93, 98, 124, 126, 147, 186, 196, 217, 241, 252, 279, 294, 343, 372, 434, 441, 482, 558, 588, 651, 686, 723, 868, 882, 964, 1029, 1116, 1302, 1372, 1446, 1519, 1687, 1764, 1953, 2058, 2169, 2401, 2604, 2892, 3038, 3087, 3374, 3906, 4116, 4338, 4557, 4802, 5061, 6076, 6174, 6748, 7203, 7471, 7812, 8676, 9114, 9604, 10122, 10633, 11809, 12348, 13671, 14406, 14942, 15183, 18228, 20244, 21266, 21609, 22413, 23618, 27342, 28812, 29884, 30366, 31899, 35427, 42532, 43218, 44826, 47236, 52297, 54684, 60732, 63798, 67239, 70854, 74431, 82663, 86436, 89652, 95697, 104594, 106281, 127596, 134478, 141708, 148862, 156891, 165326, 191394, 209188, 212562, 223293, 247989, 268956, 297724, 313782, 330652, 366079, 382788, 425124, 446586, 470673, 495978, 578641, 627564, 669879, 732158, 743967, 893172, 941346, 991956, 1098237, 1157282, 1339758, 1464316, 1487934, 1735923, 1882692, 2196474, 2314564, 2562553, 2679516, 2975868, 3294711, 3471846, 4392948, 5125106, 5207769, 6589422, 6943692, 7687659, 10250212, 10415538, 13178844, 15375318, 17937871, 20831076, 23062977, 30750636, 35875742, 46125954, 53813613, 71751484, 92251908, 107627226, 161440839, 215254452, 322881678, 645763356]

約数ペア:

[(1, 645763356), (2, 322881678), (3, 215254452), (4, 161440839), (6, 107627226), (7, 92251908), (9, 71751484), (12, 53813613), (14, 46125954), (18, 35875742), (21, 30750636), (28, 23062977), (31, 20831076), (36, 17937871), (42, 15375318), (49, 13178844), (62, 10415538), (63, 10250212), (84, 7687659), (93, 6943692), (98, 6589422), (124, 5207769), (126, 5125106), (147, 4392948), (186, 3471846), (196, 3294711), (217, 2975868), (241, 2679516), (252, 2562553), (279, 2314564), (294, 2196474), (343, 1882692), (372, 1735923), (434, 1487934), (441, 1464316), (482, 1339758), (558, 1157282), (588, 1098237), (651, 991956), (686, 941346), (723, 893172), (868, 743967), (882, 732158), (964, 669879), (1029, 627564), (1116, 578641), (1302, 495978), (1372, 470673), (1446, 446586), (1519, 425124), (1687, 382788), (1764, 366079), (1953, 330652), (2058, 313782), (2169, 297724), (2401, 268956), (2604, 247989), (2892, 223293), (3038, 212562), (3087, 209188), (3374, 191394), (3906, 165326), (4116, 156891), (4338, 148862), (4557, 141708), (4802, 134478), (5061, 127596), (6076, 106281), (6174, 104594), (6748, 95697), (7203, 89652), (7471, 86436), (7812, 82663), (8676, 74431), (9114, 70854), (9604, 67239), (10122, 63798), (10633, 60732), (11809, 54684), (12348, 52297), (13671, 47236), (14406, 44826), (14942, 43218), (15183, 42532), (18228, 35427), (20244, 31899), (21266, 30366), (21609, 29884), (22413, 28812), (23618, 27342)]