168943180

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{31}}^1\times {\mathrm{67}}^1\times {\mathrm{83}}^1$

素因数の和:204

約数の個数: 144

約数和(自身を含む): 437584896

約数和(自身を除く): 268641716

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 31, 35, 49, 62, 67, 70, 83, 98, 124, 134, 140, 155, 166, 196, 217, 245, 268, 310, 332, 335, 415, 434, 469, 490, 581, 620, 670, 830, 868, 938, 980, 1085, 1162, 1340, 1519, 1660, 1876, 2077, 2170, 2324, 2345, 2573, 2905, 3038, 3283, 4067, 4154, 4340, 4690, 5146, 5561, 5810, 6076, 6566, 7595, 8134, 8308, 9380, 10292, 10385, 11122, 11620, 12865, 13132, 14539, 15190, 16268, 16415, 18011, 20335, 20770, 22244, 25730, 27805, 29078, 30380, 32830, 36022, 38927, 40670, 41540, 51460, 55610, 58156, 65660, 72044, 72695, 77854, 81340, 90055, 101773, 111220, 126077, 145390, 155708, 172391, 180110, 194635, 203546, 252154, 272489, 290780, 344782, 360220, 389270, 407092, 504308, 508865, 544978, 630385, 689564, 778540, 861955, 1017730, 1089956, 1206737, 1260770, 1362445, 1723910, 2035460, 2413474, 2521540, 2724890, 3447820, 4826948, 5449780, 6033685, 8447159, 12067370, 16894318, 24134740, 33788636, 42235795, 84471590, 168943180]

約数ペア:

[(1, 168943180), (2, 84471590), (4, 42235795), (5, 33788636), (7, 24134740), (10, 16894318), (14, 12067370), (20, 8447159), (28, 6033685), (31, 5449780), (35, 4826948), (49, 3447820), (62, 2724890), (67, 2521540), (70, 2413474), (83, 2035460), (98, 1723910), (124, 1362445), (134, 1260770), (140, 1206737), (155, 1089956), (166, 1017730), (196, 861955), (217, 778540), (245, 689564), (268, 630385), (310, 544978), (332, 508865), (335, 504308), (415, 407092), (434, 389270), (469, 360220), (490, 344782), (581, 290780), (620, 272489), (670, 252154), (830, 203546), (868, 194635), (938, 180110), (980, 172391), (1085, 155708), (1162, 145390), (1340, 126077), (1519, 111220), (1660, 101773), (1876, 90055), (2077, 81340), (2170, 77854), (2324, 72695), (2345, 72044), (2573, 65660), (2905, 58156), (3038, 55610), (3283, 51460), (4067, 41540), (4154, 40670), (4340, 38927), (4690, 36022), (5146, 32830), (5561, 30380), (5810, 29078), (6076, 27805), (6566, 25730), (7595, 22244), (8134, 20770), (8308, 20335), (9380, 18011), (10292, 16415), (10385, 16268), (11122, 15190), (11620, 14539), (12865, 13132)]