891388260

素因数分解:

$2^2\times 3^3\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{7607}}^1$

素因数の和:7663

約数の個数: 192

約数和(自身を含む): 3272048640

約数和(自身を除く): 2380660380

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 27, 28, 30, 31, 35, 36, 42, 45, 54, 60, 62, 63, 70, 84, 90, 93, 105, 108, 124, 126, 135, 140, 155, 180, 186, 189, 210, 217, 252, 270, 279, 310, 315, 372, 378, 420, 434, 465, 540, 558, 620, 630, 651, 756, 837, 868, 930, 945, 1085, 1116, 1260, 1302, 1395, 1674, 1860, 1890, 1953, 2170, 2604, 2790, 3255, 3348, 3780, 3906, 4185, 4340, 5580, 5859, 6510, 7607, 7812, 8370, 9765, 11718, 13020, 15214, 16740, 19530, 22821, 23436, 29295, 30428, 38035, 39060, 45642, 53249, 58590, 68463, 76070, 91284, 106498, 114105, 117180, 136926, 152140, 159747, 205389, 212996, 228210, 235817, 266245, 273852, 319494, 342315, 410778, 456420, 471634, 479241, 532490, 638988, 684630, 707451, 798735, 821556, 943268, 958482, 1026945, 1064980, 1179085, 1369260, 1414902, 1437723, 1597470, 1650719, 1916964, 2053890, 2122353, 2358170, 2396205, 2829804, 2875446, 3194940, 3301438, 3537255, 4107780, 4244706, 4716340, 4792410, 4952157, 5750892, 6367059, 6602876, 7074510, 7188615, 8253595, 8489412, 9584820, 9904314, 10611765, 12734118, 14149020, 14377230, 14856471, 16507190, 19808628, 21223530, 24760785, 25468236, 28754460, 29712942, 31835295, 33014380, 42447060, 44569413, 49521570, 59425884, 63670590, 74282355, 89138826, 99043140, 127341180, 148564710, 178277652, 222847065, 297129420, 445694130, 891388260]

約数ペア:

[(1, 891388260), (2, 445694130), (3, 297129420), (4, 222847065), (5, 178277652), (6, 148564710), (7, 127341180), (9, 99043140), (10, 89138826), (12, 74282355), (14, 63670590), (15, 59425884), (18, 49521570), (20, 44569413), (21, 42447060), (27, 33014380), (28, 31835295), (30, 29712942), (31, 28754460), (35, 25468236), (36, 24760785), (42, 21223530), (45, 19808628), (54, 16507190), (60, 14856471), (62, 14377230), (63, 14149020), (70, 12734118), (84, 10611765), (90, 9904314), (93, 9584820), (105, 8489412), (108, 8253595), (124, 7188615), (126, 7074510), (135, 6602876), (140, 6367059), (155, 5750892), (180, 4952157), (186, 4792410), (189, 4716340), (210, 4244706), (217, 4107780), (252, 3537255), (270, 3301438), (279, 3194940), (310, 2875446), (315, 2829804), (372, 2396205), (378, 2358170), (420, 2122353), (434, 2053890), (465, 1916964), (540, 1650719), (558, 1597470), (620, 1437723), (630, 1414902), (651, 1369260), (756, 1179085), (837, 1064980), (868, 1026945), (930, 958482), (945, 943268), (1085, 821556), (1116, 798735), (1260, 707451), (1302, 684630), (1395, 638988), (1674, 532490), (1860, 479241), (1890, 471634), (1953, 456420), (2170, 410778), (2604, 342315), (2790, 319494), (3255, 273852), (3348, 266245), (3780, 235817), (3906, 228210), (4185, 212996), (4340, 205389), (5580, 159747), (5859, 152140), (6510, 136926), (7607, 117180), (7812, 114105), (8370, 106498), (9765, 91284), (11718, 76070), (13020, 68463), (15214, 58590), (16740, 53249), (19530, 45642), (22821, 39060), (23436, 38035), (29295, 30428)]