51388560

素因数分解:

$2^4\times 3^3\times 5^1\times {\mathrm{37}}^1\times {\mathrm{643}}^1$

素因数の和:702

約数の個数: 160

約数和(自身を含む): 182071680

約数和(自身を除く): 130683120

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 27, 30, 36, 37, 40, 45, 48, 54, 60, 72, 74, 80, 90, 108, 111, 120, 135, 144, 148, 180, 185, 216, 222, 240, 270, 296, 333, 360, 370, 432, 444, 540, 555, 592, 643, 666, 720, 740, 888, 999, 1080, 1110, 1286, 1332, 1480, 1665, 1776, 1929, 1998, 2160, 2220, 2572, 2664, 2960, 3215, 3330, 3858, 3996, 4440, 4995, 5144, 5328, 5787, 6430, 6660, 7716, 7992, 8880, 9645, 9990, 10288, 11574, 12860, 13320, 15432, 15984, 17361, 19290, 19980, 23148, 23791, 25720, 26640, 28935, 30864, 34722, 38580, 39960, 46296, 47582, 51440, 57870, 69444, 71373, 77160, 79920, 86805, 92592, 95164, 115740, 118955, 138888, 142746, 154320, 173610, 190328, 214119, 231480, 237910, 277776, 285492, 347220, 356865, 380656, 428238, 462960, 475820, 570984, 642357, 694440, 713730, 856476, 951640, 1070595, 1141968, 1284714, 1388880, 1427460, 1712952, 1903280, 2141190, 2569428, 2854920, 3211785, 3425904, 4282380, 5138856, 5709840, 6423570, 8564760, 10277712, 12847140, 17129520, 25694280, 51388560]

約数ペア:

[(1, 51388560), (2, 25694280), (3, 17129520), (4, 12847140), (5, 10277712), (6, 8564760), (8, 6423570), (9, 5709840), (10, 5138856), (12, 4282380), (15, 3425904), (16, 3211785), (18, 2854920), (20, 2569428), (24, 2141190), (27, 1903280), (30, 1712952), (36, 1427460), (37, 1388880), (40, 1284714), (45, 1141968), (48, 1070595), (54, 951640), (60, 856476), (72, 713730), (74, 694440), (80, 642357), (90, 570984), (108, 475820), (111, 462960), (120, 428238), (135, 380656), (144, 356865), (148, 347220), (180, 285492), (185, 277776), (216, 237910), (222, 231480), (240, 214119), (270, 190328), (296, 173610), (333, 154320), (360, 142746), (370, 138888), (432, 118955), (444, 115740), (540, 95164), (555, 92592), (592, 86805), (643, 79920), (666, 77160), (720, 71373), (740, 69444), (888, 57870), (999, 51440), (1080, 47582), (1110, 46296), (1286, 39960), (1332, 38580), (1480, 34722), (1665, 30864), (1776, 28935), (1929, 26640), (1998, 25720), (2160, 23791), (2220, 23148), (2572, 19980), (2664, 19290), (2960, 17361), (3215, 15984), (3330, 15432), (3858, 13320), (3996, 12860), (4440, 11574), (4995, 10288), (5144, 9990), (5328, 9645), (5787, 8880), (6430, 7992), (6660, 7716)]