28691280

素因数分解:

$2^4\times 3^3\times 5^1\times {\mathrm{37}}^1\times {\mathrm{359}}^1$

素因数の和:418

約数の個数: 160

約数和(自身を含む): 101779200

約数和(自身を除く): 73087920

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, 359, 360, 370, 432, 444, 540, 555, 592, 666, 718, 720, 740, 888, 999, 1077, 1080, 1110, 1332, 1436, 1480, 1665, 1776, 1795, 1998, 2154, 2160, 2220, 2664, 2872, 2960, 3231, 3330, 3590, 3996, 4308, 4440, 4995, 5328, 5385, 5744, 6462, 6660, 7180, 7992, 8616, 8880, 9693, 9990, 10770, 12924, 13283, 13320, 14360, 15984, 16155, 17232, 19386, 19980, 21540, 25848, 26566, 26640, 28720, 32310, 38772, 39849, 39960, 43080, 48465, 51696, 53132, 64620, 66415, 77544, 79698, 79920, 86160, 96930, 106264, 119547, 129240, 132830, 155088, 159396, 193860, 199245, 212528, 239094, 258480, 265660, 318792, 358641, 387720, 398490, 478188, 531320, 597735, 637584, 717282, 775440, 796980, 956376, 1062640, 1195470, 1434564, 1593960, 1793205, 1912752, 2390940, 2869128, 3187920, 3586410, 4781880, 5738256, 7172820, 9563760, 14345640, 28691280]

約数ペア:

[(1, 28691280), (2, 14345640), (3, 9563760), (4, 7172820), (5, 5738256), (6, 4781880), (8, 3586410), (9, 3187920), (10, 2869128), (12, 2390940), (15, 1912752), (16, 1793205), (18, 1593960), (20, 1434564), (24, 1195470), (27, 1062640), (30, 956376), (36, 796980), (37, 775440), (40, 717282), (45, 637584), (48, 597735), (54, 531320), (60, 478188), (72, 398490), (74, 387720), (80, 358641), (90, 318792), (108, 265660), (111, 258480), (120, 239094), (135, 212528), (144, 199245), (148, 193860), (180, 159396), (185, 155088), (216, 132830), (222, 129240), (240, 119547), (270, 106264), (296, 96930), (333, 86160), (359, 79920), (360, 79698), (370, 77544), (432, 66415), (444, 64620), (540, 53132), (555, 51696), (592, 48465), (666, 43080), (718, 39960), (720, 39849), (740, 38772), (888, 32310), (999, 28720), (1077, 26640), (1080, 26566), (1110, 25848), (1332, 21540), (1436, 19980), (1480, 19386), (1665, 17232), (1776, 16155), (1795, 15984), (1998, 14360), (2154, 13320), (2160, 13283), (2220, 12924), (2664, 10770), (2872, 9990), (2960, 9693), (3231, 8880), (3330, 8616), (3590, 7992), (3996, 7180), (4308, 6660), (4440, 6462), (4995, 5744), (5328, 5385)]