20004153120

素因数分解:

$2^5\times 3^3\times 5^1\times 7^1\times {\mathrm{661513}}^1$

素因数の和:661544

約数の個数: 192

約数和(自身を含む): 80016733440

約数和(自身を除く): 60012580320

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 16, 18, 20, 21, 24, 27, 28, 30, 32, 35, 36, 40, 42, 45, 48, 54, 56, 60, 63, 70, 72, 80, 84, 90, 96, 105, 108, 112, 120, 126, 135, 140, 144, 160, 168, 180, 189, 210, 216, 224, 240, 252, 270, 280, 288, 315, 336, 360, 378, 420, 432, 480, 504, 540, 560, 630, 672, 720, 756, 840, 864, 945, 1008, 1080, 1120, 1260, 1440, 1512, 1680, 1890, 2016, 2160, 2520, 3024, 3360, 3780, 4320, 5040, 6048, 7560, 10080, 15120, 30240, 661513, 1323026, 1984539, 2646052, 3307565, 3969078, 4630591, 5292104, 5953617, 6615130, 7938156, 9261182, 9922695, 10584208, 11907234, 13230260, 13891773, 15876312, 17860851, 18522364, 19845390, 21168416, 23152955, 23814468, 26460520, 27783546, 29768085, 31752624, 35721702, 37044728, 39690780, 41675319, 46305910, 47628936, 52921040, 55567092, 59536170, 63505248, 69458865, 71443404, 74089456, 79381560, 83350638, 89304255, 92611820, 95257872, 105842080, 111134184, 119072340, 125025957, 138917730, 142886808, 148178912, 158763120, 166701276, 178608510, 185223640, 190515744, 208376595, 222268368, 238144680, 250051914, 277835460, 285773616, 317526240, 333402552, 357217020, 370447280, 416753190, 444536736, 476289360, 500103828, 555670920, 571547232, 625129785, 666805104, 714434040, 740894560, 833506380, 952578720, 1000207656, 1111341840, 1250259570, 1333610208, 1428868080, 1667012760, 2000415312, 2222683680, 2500519140, 2857736160, 3334025520, 4000830624, 5001038280, 6668051040, 10002076560, 20004153120]

約数ペア:

[(1, 20004153120), (2, 10002076560), (3, 6668051040), (4, 5001038280), (5, 4000830624), (6, 3334025520), (7, 2857736160), (8, 2500519140), (9, 2222683680), (10, 2000415312), (12, 1667012760), (14, 1428868080), (15, 1333610208), (16, 1250259570), (18, 1111341840), (20, 1000207656), (21, 952578720), (24, 833506380), (27, 740894560), (28, 714434040), (30, 666805104), (32, 625129785), (35, 571547232), (36, 555670920), (40, 500103828), (42, 476289360), (45, 444536736), (48, 416753190), (54, 370447280), (56, 357217020), (60, 333402552), (63, 317526240), (70, 285773616), (72, 277835460), (80, 250051914), (84, 238144680), (90, 222268368), (96, 208376595), (105, 190515744), (108, 185223640), (112, 178608510), (120, 166701276), (126, 158763120), (135, 148178912), (140, 142886808), (144, 138917730), (160, 125025957), (168, 119072340), (180, 111134184), (189, 105842080), (210, 95257872), (216, 92611820), (224, 89304255), (240, 83350638), (252, 79381560), (270, 74089456), (280, 71443404), (288, 69458865), (315, 63505248), (336, 59536170), (360, 55567092), (378, 52921040), (420, 47628936), (432, 46305910), (480, 41675319), (504, 39690780), (540, 37044728), (560, 35721702), (630, 31752624), (672, 29768085), (720, 27783546), (756, 26460520), (840, 23814468), (864, 23152955), (945, 21168416), (1008, 19845390), (1080, 18522364), (1120, 17860851), (1260, 15876312), (1440, 13891773), (1512, 13230260), (1680, 11907234), (1890, 10584208), (2016, 9922695), (2160, 9261182), (2520, 7938156), (3024, 6615130), (3360, 5953617), (3780, 5292104), (4320, 4630591), (5040, 3969078), (6048, 3307565), (7560, 2646052), (10080, 1984539), (15120, 1323026), (30240, 661513)]