81404190

素因数分解:

$2^1\times 3^4\times 5^1\times 7^3\times {\mathrm{293}}^1$

素因数の和:333

約数の個数: 160

約数和(自身を含む): 256132800

約数和(自身を除く): 174728610

約数列:

[1, 2, 3, 5, 6, 7, 9, 10, 14, 15, 18, 21, 27, 30, 35, 42, 45, 49, 54, 63, 70, 81, 90, 98, 105, 126, 135, 147, 162, 189, 210, 245, 270, 293, 294, 315, 343, 378, 405, 441, 490, 567, 586, 630, 686, 735, 810, 879, 882, 945, 1029, 1134, 1323, 1465, 1470, 1715, 1758, 1890, 2051, 2058, 2205, 2637, 2646, 2835, 2930, 3087, 3430, 3969, 4102, 4395, 4410, 5145, 5274, 5670, 6153, 6174, 6615, 7911, 7938, 8790, 9261, 10255, 10290, 12306, 13185, 13230, 14357, 15435, 15822, 18459, 18522, 19845, 20510, 23733, 26370, 27783, 28714, 30765, 30870, 36918, 39555, 39690, 43071, 46305, 47466, 55377, 55566, 61530, 71785, 79110, 86142, 92295, 92610, 100499, 110754, 118665, 129213, 138915, 143570, 166131, 184590, 200998, 215355, 237330, 258426, 276885, 277830, 301497, 332262, 387639, 430710, 502495, 553770, 602994, 646065, 775278, 830655, 904491, 1004990, 1162917, 1292130, 1507485, 1661310, 1808982, 1938195, 2325834, 2713473, 3014970, 3876390, 4522455, 5426946, 5814585, 8140419, 9044910, 11629170, 13567365, 16280838, 27134730, 40702095, 81404190]

約数ペア:

[(1, 81404190), (2, 40702095), (3, 27134730), (5, 16280838), (6, 13567365), (7, 11629170), (9, 9044910), (10, 8140419), (14, 5814585), (15, 5426946), (18, 4522455), (21, 3876390), (27, 3014970), (30, 2713473), (35, 2325834), (42, 1938195), (45, 1808982), (49, 1661310), (54, 1507485), (63, 1292130), (70, 1162917), (81, 1004990), (90, 904491), (98, 830655), (105, 775278), (126, 646065), (135, 602994), (147, 553770), (162, 502495), (189, 430710), (210, 387639), (245, 332262), (270, 301497), (293, 277830), (294, 276885), (315, 258426), (343, 237330), (378, 215355), (405, 200998), (441, 184590), (490, 166131), (567, 143570), (586, 138915), (630, 129213), (686, 118665), (735, 110754), (810, 100499), (879, 92610), (882, 92295), (945, 86142), (1029, 79110), (1134, 71785), (1323, 61530), (1465, 55566), (1470, 55377), (1715, 47466), (1758, 46305), (1890, 43071), (2051, 39690), (2058, 39555), (2205, 36918), (2637, 30870), (2646, 30765), (2835, 28714), (2930, 27783), (3087, 26370), (3430, 23733), (3969, 20510), (4102, 19845), (4395, 18522), (4410, 18459), (5145, 15822), (5274, 15435), (5670, 14357), (6153, 13230), (6174, 13185), (6615, 12306), (7911, 10290), (7938, 10255), (8790, 9261)]