28781190

素因数分解:

$2^1\times 3^3\times 5^1\times {\mathrm{37}}^1\times {\mathrm{43}}^1\times {\mathrm{67}}^1$

素因数の和:163

約数の個数: 128

約数和(自身を含む): 81861120

約数和(自身を除く): 53079930

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 27, 30, 37, 43, 45, 54, 67, 74, 86, 90, 111, 129, 134, 135, 185, 201, 215, 222, 258, 270, 333, 335, 370, 387, 402, 430, 555, 603, 645, 666, 670, 774, 999, 1005, 1110, 1161, 1206, 1290, 1591, 1665, 1809, 1935, 1998, 2010, 2322, 2479, 2881, 3015, 3182, 3330, 3618, 3870, 4773, 4958, 4995, 5762, 5805, 6030, 7437, 7955, 8643, 9045, 9546, 9990, 11610, 12395, 14319, 14405, 14874, 15910, 17286, 18090, 22311, 23865, 24790, 25929, 28638, 28810, 37185, 42957, 43215, 44622, 47730, 51858, 66933, 71595, 74370, 77787, 85914, 86430, 106597, 111555, 129645, 133866, 143190, 155574, 213194, 214785, 223110, 259290, 319791, 334665, 388935, 429570, 532985, 639582, 669330, 777870, 959373, 1065970, 1598955, 1918746, 2878119, 3197910, 4796865, 5756238, 9593730, 14390595, 28781190]

約数ペア:

[(1, 28781190), (2, 14390595), (3, 9593730), (5, 5756238), (6, 4796865), (9, 3197910), (10, 2878119), (15, 1918746), (18, 1598955), (27, 1065970), (30, 959373), (37, 777870), (43, 669330), (45, 639582), (54, 532985), (67, 429570), (74, 388935), (86, 334665), (90, 319791), (111, 259290), (129, 223110), (134, 214785), (135, 213194), (185, 155574), (201, 143190), (215, 133866), (222, 129645), (258, 111555), (270, 106597), (333, 86430), (335, 85914), (370, 77787), (387, 74370), (402, 71595), (430, 66933), (555, 51858), (603, 47730), (645, 44622), (666, 43215), (670, 42957), (774, 37185), (999, 28810), (1005, 28638), (1110, 25929), (1161, 24790), (1206, 23865), (1290, 22311), (1591, 18090), (1665, 17286), (1809, 15910), (1935, 14874), (1998, 14405), (2010, 14319), (2322, 12395), (2479, 11610), (2881, 9990), (3015, 9546), (3182, 9045), (3330, 8643), (3618, 7955), (3870, 7437), (4773, 6030), (4958, 5805), (4995, 5762)]