180645556

素因数分解:

$2^2\times 7^2\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{2287}}^1$

素因数の和:2349

約数の個数: 72

約数和(自身を含む): 408984576

約数和(自身を除く): 228339020

約数列:

[1, 2, 4, 7, 13, 14, 26, 28, 31, 49, 52, 62, 91, 98, 124, 182, 196, 217, 364, 403, 434, 637, 806, 868, 1274, 1519, 1612, 2287, 2548, 2821, 3038, 4574, 5642, 6076, 9148, 11284, 16009, 19747, 29731, 32018, 39494, 59462, 64036, 70897, 78988, 112063, 118924, 141794, 208117, 224126, 283588, 416234, 448252, 496279, 832468, 921661, 992558, 1456819, 1843322, 1985116, 2913638, 3473953, 3686644, 5827276, 6451627, 6947906, 12903254, 13895812, 25806508, 45161389, 90322778, 180645556]

約数ペア:

[(1, 180645556), (2, 90322778), (4, 45161389), (7, 25806508), (13, 13895812), (14, 12903254), (26, 6947906), (28, 6451627), (31, 5827276), (49, 3686644), (52, 3473953), (62, 2913638), (91, 1985116), (98, 1843322), (124, 1456819), (182, 992558), (196, 921661), (217, 832468), (364, 496279), (403, 448252), (434, 416234), (637, 283588), (806, 224126), (868, 208117), (1274, 141794), (1519, 118924), (1612, 112063), (2287, 78988), (2548, 70897), (2821, 64036), (3038, 59462), (4574, 39494), (5642, 32018), (6076, 29731), (9148, 19747), (11284, 16009)]