181155940

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{31}}^1\times {\mathrm{67}}^1\times {\mathrm{89}}^1$

素因数の和:210

約数の個数: 144

約数和(自身を含む): 468840960

約数和(自身を除く): 287685020

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 31, 35, 49, 62, 67, 70, 89, 98, 124, 134, 140, 155, 178, 196, 217, 245, 268, 310, 335, 356, 434, 445, 469, 490, 620, 623, 670, 868, 890, 938, 980, 1085, 1246, 1340, 1519, 1780, 1876, 2077, 2170, 2345, 2492, 2759, 3038, 3115, 3283, 4154, 4340, 4361, 4690, 5518, 5963, 6076, 6230, 6566, 7595, 8308, 8722, 9380, 10385, 11036, 11926, 12460, 13132, 13795, 14539, 15190, 16415, 17444, 19313, 20770, 21805, 23852, 27590, 29078, 29815, 30380, 32830, 38626, 41540, 41741, 43610, 55180, 58156, 59630, 65660, 72695, 77252, 83482, 87220, 96565, 101773, 119260, 135191, 145390, 166964, 184853, 193130, 203546, 208705, 270382, 290780, 292187, 369706, 386260, 407092, 417410, 508865, 540764, 584374, 675955, 739412, 834820, 924265, 1017730, 1168748, 1293971, 1351910, 1460935, 1848530, 2035460, 2587942, 2703820, 2921870, 3697060, 5175884, 5843740, 6469855, 9057797, 12939710, 18115594, 25879420, 36231188, 45288985, 90577970, 181155940]

約数ペア:

[(1, 181155940), (2, 90577970), (4, 45288985), (5, 36231188), (7, 25879420), (10, 18115594), (14, 12939710), (20, 9057797), (28, 6469855), (31, 5843740), (35, 5175884), (49, 3697060), (62, 2921870), (67, 2703820), (70, 2587942), (89, 2035460), (98, 1848530), (124, 1460935), (134, 1351910), (140, 1293971), (155, 1168748), (178, 1017730), (196, 924265), (217, 834820), (245, 739412), (268, 675955), (310, 584374), (335, 540764), (356, 508865), (434, 417410), (445, 407092), (469, 386260), (490, 369706), (620, 292187), (623, 290780), (670, 270382), (868, 208705), (890, 203546), (938, 193130), (980, 184853), (1085, 166964), (1246, 145390), (1340, 135191), (1519, 119260), (1780, 101773), (1876, 96565), (2077, 87220), (2170, 83482), (2345, 77252), (2492, 72695), (2759, 65660), (3038, 59630), (3115, 58156), (3283, 55180), (4154, 43610), (4340, 41741), (4361, 41540), (4690, 38626), (5518, 32830), (5963, 30380), (6076, 29815), (6230, 29078), (6566, 27590), (7595, 23852), (8308, 21805), (8722, 20770), (9380, 19313), (10385, 17444), (11036, 16415), (11926, 15190), (12460, 14539), (13132, 13795)]