128471400

素因数分解:

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

素因数の和:705

約数の個数: 192

約数和(自身を含む): 455179200

約数和(自身を除く): 326707800

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 25, 27, 30, 36, 37, 40, 45, 50, 54, 60, 72, 74, 75, 90, 100, 108, 111, 120, 135, 148, 150, 180, 185, 200, 216, 222, 225, 270, 296, 300, 333, 360, 370, 444, 450, 540, 555, 600, 643, 666, 675, 740, 888, 900, 925, 999, 1080, 1110, 1286, 1332, 1350, 1480, 1665, 1800, 1850, 1929, 1998, 2220, 2572, 2664, 2700, 2775, 3215, 3330, 3700, 3858, 3996, 4440, 4995, 5144, 5400, 5550, 5787, 6430, 6660, 7400, 7716, 7992, 8325, 9645, 9990, 11100, 11574, 12860, 13320, 15432, 16075, 16650, 17361, 19290, 19980, 22200, 23148, 23791, 24975, 25720, 28935, 32150, 33300, 34722, 38580, 39960, 46296, 47582, 48225, 49950, 57870, 64300, 66600, 69444, 71373, 77160, 86805, 95164, 96450, 99900, 115740, 118955, 128600, 138888, 142746, 144675, 173610, 190328, 192900, 199800, 214119, 231480, 237910, 285492, 289350, 347220, 356865, 385800, 428238, 434025, 475820, 570984, 578700, 594775, 642357, 694440, 713730, 856476, 868050, 951640, 1070595, 1157400, 1189550, 1284714, 1427460, 1712952, 1736100, 1784325, 2141190, 2379100, 2569428, 2854920, 3211785, 3472200, 3568650, 4282380, 4758200, 5138856, 5352975, 6423570, 7137300, 8564760, 10705950, 12847140, 14274600, 16058925, 21411900, 25694280, 32117850, 42823800, 64235700, 128471400]

約数ペア:

[(1, 128471400), (2, 64235700), (3, 42823800), (4, 32117850), (5, 25694280), (6, 21411900), (8, 16058925), (9, 14274600), (10, 12847140), (12, 10705950), (15, 8564760), (18, 7137300), (20, 6423570), (24, 5352975), (25, 5138856), (27, 4758200), (30, 4282380), (36, 3568650), (37, 3472200), (40, 3211785), (45, 2854920), (50, 2569428), (54, 2379100), (60, 2141190), (72, 1784325), (74, 1736100), (75, 1712952), (90, 1427460), (100, 1284714), (108, 1189550), (111, 1157400), (120, 1070595), (135, 951640), (148, 868050), (150, 856476), (180, 713730), (185, 694440), (200, 642357), (216, 594775), (222, 578700), (225, 570984), (270, 475820), (296, 434025), (300, 428238), (333, 385800), (360, 356865), (370, 347220), (444, 289350), (450, 285492), (540, 237910), (555, 231480), (600, 214119), (643, 199800), (666, 192900), (675, 190328), (740, 173610), (888, 144675), (900, 142746), (925, 138888), (999, 128600), (1080, 118955), (1110, 115740), (1286, 99900), (1332, 96450), (1350, 95164), (1480, 86805), (1665, 77160), (1800, 71373), (1850, 69444), (1929, 66600), (1998, 64300), (2220, 57870), (2572, 49950), (2664, 48225), (2700, 47582), (2775, 46296), (3215, 39960), (3330, 38580), (3700, 34722), (3858, 33300), (3996, 32150), (4440, 28935), (4995, 25720), (5144, 24975), (5400, 23791), (5550, 23148), (5787, 22200), (6430, 19980), (6660, 19290), (7400, 17361), (7716, 16650), (7992, 16075), (8325, 15432), (9645, 13320), (9990, 12860), (11100, 11574)]