12438720

素因数分解:

$2^6\times 3^2\times 5^1\times 7^1\times {\mathrm{617}}^1$

素因数の和:647

約数の個数: 168

約数和(自身を含む): 48975264

約数和(自身を除く): 36536544

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 16, 18, 20, 21, 24, 28, 30, 32, 35, 36, 40, 42, 45, 48, 56, 60, 63, 64, 70, 72, 80, 84, 90, 96, 105, 112, 120, 126, 140, 144, 160, 168, 180, 192, 210, 224, 240, 252, 280, 288, 315, 320, 336, 360, 420, 448, 480, 504, 560, 576, 617, 630, 672, 720, 840, 960, 1008, 1120, 1234, 1260, 1344, 1440, 1680, 1851, 2016, 2240, 2468, 2520, 2880, 3085, 3360, 3702, 4032, 4319, 4936, 5040, 5553, 6170, 6720, 7404, 8638, 9255, 9872, 10080, 11106, 12340, 12957, 14808, 17276, 18510, 19744, 20160, 21595, 22212, 24680, 25914, 27765, 29616, 34552, 37020, 38871, 39488, 43190, 44424, 49360, 51828, 55530, 59232, 64785, 69104, 74040, 77742, 86380, 88848, 98720, 103656, 111060, 118464, 129570, 138208, 148080, 155484, 172760, 177696, 194355, 197440, 207312, 222120, 259140, 276416, 296160, 310968, 345520, 355392, 388710, 414624, 444240, 518280, 592320, 621936, 691040, 777420, 829248, 888480, 1036560, 1243872, 1382080, 1554840, 1776960, 2073120, 2487744, 3109680, 4146240, 6219360, 12438720]

約数ペア:

[(1, 12438720), (2, 6219360), (3, 4146240), (4, 3109680), (5, 2487744), (6, 2073120), (7, 1776960), (8, 1554840), (9, 1382080), (10, 1243872), (12, 1036560), (14, 888480), (15, 829248), (16, 777420), (18, 691040), (20, 621936), (21, 592320), (24, 518280), (28, 444240), (30, 414624), (32, 388710), (35, 355392), (36, 345520), (40, 310968), (42, 296160), (45, 276416), (48, 259140), (56, 222120), (60, 207312), (63, 197440), (64, 194355), (70, 177696), (72, 172760), (80, 155484), (84, 148080), (90, 138208), (96, 129570), (105, 118464), (112, 111060), (120, 103656), (126, 98720), (140, 88848), (144, 86380), (160, 77742), (168, 74040), (180, 69104), (192, 64785), (210, 59232), (224, 55530), (240, 51828), (252, 49360), (280, 44424), (288, 43190), (315, 39488), (320, 38871), (336, 37020), (360, 34552), (420, 29616), (448, 27765), (480, 25914), (504, 24680), (560, 22212), (576, 21595), (617, 20160), (630, 19744), (672, 18510), (720, 17276), (840, 14808), (960, 12957), (1008, 12340), (1120, 11106), (1234, 10080), (1260, 9872), (1344, 9255), (1440, 8638), (1680, 7404), (1851, 6720), (2016, 6170), (2240, 5553), (2468, 5040), (2520, 4936), (2880, 4319), (3085, 4032), (3360, 3702)]