128783520

素因数分解:

$2^5\times 3^4\times 5^1\times {\mathrm{19}}^1\times {\mathrm{523}}^1$

素因数の和:569

約数の個数: 240

約数和(自身を含む): 479334240

約数和(自身を除く): 350550720

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 19, 20, 24, 27, 30, 32, 36, 38, 40, 45, 48, 54, 57, 60, 72, 76, 80, 81, 90, 95, 96, 108, 114, 120, 135, 144, 152, 160, 162, 171, 180, 190, 216, 228, 240, 270, 285, 288, 304, 324, 342, 360, 380, 405, 432, 456, 480, 513, 523, 540, 570, 608, 648, 684, 720, 760, 810, 855, 864, 912, 1026, 1046, 1080, 1140, 1296, 1368, 1440, 1520, 1539, 1569, 1620, 1710, 1824, 2052, 2092, 2160, 2280, 2565, 2592, 2615, 2736, 3040, 3078, 3138, 3240, 3420, 4104, 4184, 4320, 4560, 4707, 5130, 5230, 5472, 6156, 6276, 6480, 6840, 7695, 7845, 8208, 8368, 9120, 9414, 9937, 10260, 10460, 12312, 12552, 12960, 13680, 14121, 15390, 15690, 16416, 16736, 18828, 19874, 20520, 20920, 23535, 24624, 25104, 27360, 28242, 29811, 30780, 31380, 37656, 39748, 41040, 41840, 42363, 47070, 49248, 49685, 50208, 56484, 59622, 61560, 62760, 70605, 75312, 79496, 82080, 83680, 84726, 89433, 94140, 99370, 112968, 119244, 123120, 125520, 141210, 149055, 150624, 158992, 169452, 178866, 188280, 198740, 211815, 225936, 238488, 246240, 251040, 268299, 282420, 298110, 317984, 338904, 357732, 376560, 397480, 423630, 447165, 451872, 476976, 536598, 564840, 596220, 677808, 715464, 753120, 794960, 804897, 847260, 894330, 953952, 1073196, 1129680, 1192440, 1341495, 1355616, 1430928, 1589920, 1609794, 1694520, 1788660, 2146392, 2259360, 2384880, 2682990, 2861856, 3219588, 3389040, 3577320, 4024485, 4292784, 4769760, 5365980, 6439176, 6778080, 7154640, 8048970, 8585568, 10731960, 12878352, 14309280, 16097940, 21463920, 25756704, 32195880, 42927840, 64391760, 128783520]

約数ペア:

[(1, 128783520), (2, 64391760), (3, 42927840), (4, 32195880), (5, 25756704), (6, 21463920), (8, 16097940), (9, 14309280), (10, 12878352), (12, 10731960), (15, 8585568), (16, 8048970), (18, 7154640), (19, 6778080), (20, 6439176), (24, 5365980), (27, 4769760), (30, 4292784), (32, 4024485), (36, 3577320), (38, 3389040), (40, 3219588), (45, 2861856), (48, 2682990), (54, 2384880), (57, 2259360), (60, 2146392), (72, 1788660), (76, 1694520), (80, 1609794), (81, 1589920), (90, 1430928), (95, 1355616), (96, 1341495), (108, 1192440), (114, 1129680), (120, 1073196), (135, 953952), (144, 894330), (152, 847260), (160, 804897), (162, 794960), (171, 753120), (180, 715464), (190, 677808), (216, 596220), (228, 564840), (240, 536598), (270, 476976), (285, 451872), (288, 447165), (304, 423630), (324, 397480), (342, 376560), (360, 357732), (380, 338904), (405, 317984), (432, 298110), (456, 282420), (480, 268299), (513, 251040), (523, 246240), (540, 238488), (570, 225936), (608, 211815), (648, 198740), (684, 188280), (720, 178866), (760, 169452), (810, 158992), (855, 150624), (864, 149055), (912, 141210), (1026, 125520), (1046, 123120), (1080, 119244), (1140, 112968), (1296, 99370), (1368, 94140), (1440, 89433), (1520, 84726), (1539, 83680), (1569, 82080), (1620, 79496), (1710, 75312), (1824, 70605), (2052, 62760), (2092, 61560), (2160, 59622), (2280, 56484), (2565, 50208), (2592, 49685), (2615, 49248), (2736, 47070), (3040, 42363), (3078, 41840), (3138, 41040), (3240, 39748), (3420, 37656), (4104, 31380), (4184, 30780), (4320, 29811), (4560, 28242), (4707, 27360), (5130, 25104), (5230, 24624), (5472, 23535), (6156, 20920), (6276, 20520), (6480, 19874), (6840, 18828), (7695, 16736), (7845, 16416), (8208, 15690), (8368, 15390), (9120, 14121), (9414, 13680), (9937, 12960), (10260, 12552), (10460, 12312)]