1999703520

素因数分解:

$2^5\times 3^2\times 5^1\times {\mathrm{59}}^1\times {\mathrm{23537}}^1$

素因数の和:23617

約数の個数: 144

約数和(自身を含む): 6939943920

約数和(自身を除く): 4940240400

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 32, 36, 40, 45, 48, 59, 60, 72, 80, 90, 96, 118, 120, 144, 160, 177, 180, 236, 240, 288, 295, 354, 360, 472, 480, 531, 590, 708, 720, 885, 944, 1062, 1180, 1416, 1440, 1770, 1888, 2124, 2360, 2655, 2832, 3540, 4248, 4720, 5310, 5664, 7080, 8496, 9440, 10620, 14160, 16992, 21240, 23537, 28320, 42480, 47074, 70611, 84960, 94148, 117685, 141222, 188296, 211833, 235370, 282444, 353055, 376592, 423666, 470740, 564888, 706110, 753184, 847332, 941480, 1059165, 1129776, 1388683, 1412220, 1694664, 1882960, 2118330, 2259552, 2777366, 2824440, 3389328, 3765920, 4166049, 4236660, 5554732, 5648880, 6778656, 6943415, 8332098, 8473320, 11109464, 11297760, 12498147, 13886830, 16664196, 16946640, 20830245, 22218928, 24996294, 27773660, 33328392, 33893280, 41660490, 44437856, 49992588, 55547320, 62490735, 66656784, 83320980, 99985176, 111094640, 124981470, 133313568, 166641960, 199970352, 222189280, 249962940, 333283920, 399940704, 499925880, 666567840, 999851760, 1999703520]

約数ペア:

[(1, 1999703520), (2, 999851760), (3, 666567840), (4, 499925880), (5, 399940704), (6, 333283920), (8, 249962940), (9, 222189280), (10, 199970352), (12, 166641960), (15, 133313568), (16, 124981470), (18, 111094640), (20, 99985176), (24, 83320980), (30, 66656784), (32, 62490735), (36, 55547320), (40, 49992588), (45, 44437856), (48, 41660490), (59, 33893280), (60, 33328392), (72, 27773660), (80, 24996294), (90, 22218928), (96, 20830245), (118, 16946640), (120, 16664196), (144, 13886830), (160, 12498147), (177, 11297760), (180, 11109464), (236, 8473320), (240, 8332098), (288, 6943415), (295, 6778656), (354, 5648880), (360, 5554732), (472, 4236660), (480, 4166049), (531, 3765920), (590, 3389328), (708, 2824440), (720, 2777366), (885, 2259552), (944, 2118330), (1062, 1882960), (1180, 1694664), (1416, 1412220), (1440, 1388683), (1770, 1129776), (1888, 1059165), (2124, 941480), (2360, 847332), (2655, 753184), (2832, 706110), (3540, 564888), (4248, 470740), (4720, 423666), (5310, 376592), (5664, 353055), (7080, 282444), (8496, 235370), (9440, 211833), (10620, 188296), (14160, 141222), (16992, 117685), (21240, 94148), (23537, 84960), (28320, 70611), (42480, 47074)]