640419696

素因数分解:

$2^4\times 3^5\times 7^1\times {\mathrm{23531}}^1$

素因数の和:23561

約数の個数: 120

約数和(自身を含む): 2124280704

約数和(自身を除く): 1483861008

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 14, 16, 18, 21, 24, 27, 28, 36, 42, 48, 54, 56, 63, 72, 81, 84, 108, 112, 126, 144, 162, 168, 189, 216, 243, 252, 324, 336, 378, 432, 486, 504, 567, 648, 756, 972, 1008, 1134, 1296, 1512, 1701, 1944, 2268, 3024, 3402, 3888, 4536, 6804, 9072, 13608, 23531, 27216, 47062, 70593, 94124, 141186, 164717, 188248, 211779, 282372, 329434, 376496, 423558, 494151, 564744, 635337, 658868, 847116, 988302, 1129488, 1270674, 1317736, 1482453, 1694232, 1906011, 1976604, 2541348, 2635472, 2964906, 3388464, 3812022, 3953208, 4447359, 5082696, 5718033, 5929812, 7624044, 7906416, 8894718, 10165392, 11436066, 11859624, 13342077, 15248088, 17789436, 22872132, 23719248, 26684154, 30496176, 35578872, 40026231, 45744264, 53368308, 71157744, 80052462, 91488528, 106736616, 160104924, 213473232, 320209848, 640419696]

約数ペア:

[(1, 640419696), (2, 320209848), (3, 213473232), (4, 160104924), (6, 106736616), (7, 91488528), (8, 80052462), (9, 71157744), (12, 53368308), (14, 45744264), (16, 40026231), (18, 35578872), (21, 30496176), (24, 26684154), (27, 23719248), (28, 22872132), (36, 17789436), (42, 15248088), (48, 13342077), (54, 11859624), (56, 11436066), (63, 10165392), (72, 8894718), (81, 7906416), (84, 7624044), (108, 5929812), (112, 5718033), (126, 5082696), (144, 4447359), (162, 3953208), (168, 3812022), (189, 3388464), (216, 2964906), (243, 2635472), (252, 2541348), (324, 1976604), (336, 1906011), (378, 1694232), (432, 1482453), (486, 1317736), (504, 1270674), (567, 1129488), (648, 988302), (756, 847116), (972, 658868), (1008, 635337), (1134, 564744), (1296, 494151), (1512, 423558), (1701, 376496), (1944, 329434), (2268, 282372), (3024, 211779), (3402, 188248), (3888, 164717), (4536, 141186), (6804, 94124), (9072, 70593), (13608, 47062), (23531, 27216)]