20163120

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{29}}^1\times {\mathrm{2897}}^1$

素因数の和:2942

約数の個数: 80

約数和(自身を含む): 64683360

約数和(自身を除く): 44520240

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 29, 30, 40, 48, 58, 60, 80, 87, 116, 120, 145, 174, 232, 240, 290, 348, 435, 464, 580, 696, 870, 1160, 1392, 1740, 2320, 2897, 3480, 5794, 6960, 8691, 11588, 14485, 17382, 23176, 28970, 34764, 43455, 46352, 57940, 69528, 84013, 86910, 115880, 139056, 168026, 173820, 231760, 252039, 336052, 347640, 420065, 504078, 672104, 695280, 840130, 1008156, 1260195, 1344208, 1680260, 2016312, 2520390, 3360520, 4032624, 5040780, 6721040, 10081560, 20163120]

約数ペア:

[(1, 20163120), (2, 10081560), (3, 6721040), (4, 5040780), (5, 4032624), (6, 3360520), (8, 2520390), (10, 2016312), (12, 1680260), (15, 1344208), (16, 1260195), (20, 1008156), (24, 840130), (29, 695280), (30, 672104), (40, 504078), (48, 420065), (58, 347640), (60, 336052), (80, 252039), (87, 231760), (116, 173820), (120, 168026), (145, 139056), (174, 115880), (232, 86910), (240, 84013), (290, 69528), (348, 57940), (435, 46352), (464, 43455), (580, 34764), (696, 28970), (870, 23176), (1160, 17382), (1392, 14485), (1740, 11588), (2320, 8691), (2897, 6960), (3480, 5794)]