15790005

素因数分解:

$3^3\times 5^1\times 7^3\times {\mathrm{11}}^1\times {\mathrm{31}}^1$

素因数の和:77

約数の個数: 128

約数和(自身を含む): 36864000

約数和(自身を除く): 21073995

約数列:

[1, 3, 5, 7, 9, 11, 15, 21, 27, 31, 33, 35, 45, 49, 55, 63, 77, 93, 99, 105, 135, 147, 155, 165, 189, 217, 231, 245, 279, 297, 315, 341, 343, 385, 441, 465, 495, 539, 651, 693, 735, 837, 945, 1023, 1029, 1085, 1155, 1323, 1395, 1485, 1519, 1617, 1705, 1715, 1953, 2079, 2205, 2387, 2695, 3069, 3087, 3255, 3465, 3773, 4185, 4557, 4851, 5115, 5145, 5859, 6615, 7161, 7595, 8085, 9207, 9261, 9765, 10395, 10633, 11319, 11935, 13671, 14553, 15345, 15435, 16709, 18865, 21483, 22785, 24255, 29295, 31899, 33957, 35805, 41013, 46035, 46305, 50127, 53165, 56595, 64449, 68355, 72765, 83545, 95697, 101871, 107415, 116963, 150381, 159495, 169785, 205065, 250635, 287091, 322245, 350889, 451143, 478485, 509355, 584815, 751905, 1052667, 1435455, 1754445, 2255715, 3158001, 5263335, 15790005]

約数ペア:

[(1, 15790005), (3, 5263335), (5, 3158001), (7, 2255715), (9, 1754445), (11, 1435455), (15, 1052667), (21, 751905), (27, 584815), (31, 509355), (33, 478485), (35, 451143), (45, 350889), (49, 322245), (55, 287091), (63, 250635), (77, 205065), (93, 169785), (99, 159495), (105, 150381), (135, 116963), (147, 107415), (155, 101871), (165, 95697), (189, 83545), (217, 72765), (231, 68355), (245, 64449), (279, 56595), (297, 53165), (315, 50127), (341, 46305), (343, 46035), (385, 41013), (441, 35805), (465, 33957), (495, 31899), (539, 29295), (651, 24255), (693, 22785), (735, 21483), (837, 18865), (945, 16709), (1023, 15435), (1029, 15345), (1085, 14553), (1155, 13671), (1323, 11935), (1395, 11319), (1485, 10633), (1519, 10395), (1617, 9765), (1705, 9261), (1715, 9207), (1953, 8085), (2079, 7595), (2205, 7161), (2387, 6615), (2695, 5859), (3069, 5145), (3087, 5115), (3255, 4851), (3465, 4557), (3773, 4185)]