646500960

素因数分解:

$2^5\times 3^3\times 5^1\times 7^1\times {\mathrm{21379}}^1$

素因数の和:21410

約数の個数: 192

約数和(自身を含む): 2586124800

約数和(自身を除く): 1939623840

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, 21379, 30240, 42758, 64137, 85516, 106895, 128274, 149653, 171032, 192411, 213790, 256548, 299306, 320685, 342064, 384822, 427580, 448959, 513096, 577233, 598612, 641370, 684128, 748265, 769644, 855160, 897918, 962055, 1026192, 1154466, 1197224, 1282740, 1346877, 1496530, 1539288, 1710320, 1795836, 1924110, 2052384, 2244795, 2308932, 2394448, 2565480, 2693754, 2886165, 2993060, 3078576, 3420640, 3591672, 3848220, 4040631, 4489590, 4617864, 4788896, 5130960, 5387508, 5772330, 5986120, 6157152, 6734385, 7183344, 7696440, 8081262, 8979180, 9235728, 10261920, 10775016, 11544660, 11972240, 13468770, 14366688, 15392880, 16162524, 17958360, 18471456, 20203155, 21550032, 23089320, 23944480, 26937540, 30785760, 32325048, 35916720, 40406310, 43100064, 46178640, 53875080, 64650096, 71833440, 80812620, 92357280, 107750160, 129300192, 161625240, 215500320, 323250480, 646500960]

約数ペア:

[(1, 646500960), (2, 323250480), (3, 215500320), (4, 161625240), (5, 129300192), (6, 107750160), (7, 92357280), (8, 80812620), (9, 71833440), (10, 64650096), (12, 53875080), (14, 46178640), (15, 43100064), (16, 40406310), (18, 35916720), (20, 32325048), (21, 30785760), (24, 26937540), (27, 23944480), (28, 23089320), (30, 21550032), (32, 20203155), (35, 18471456), (36, 17958360), (40, 16162524), (42, 15392880), (45, 14366688), (48, 13468770), (54, 11972240), (56, 11544660), (60, 10775016), (63, 10261920), (70, 9235728), (72, 8979180), (80, 8081262), (84, 7696440), (90, 7183344), (96, 6734385), (105, 6157152), (108, 5986120), (112, 5772330), (120, 5387508), (126, 5130960), (135, 4788896), (140, 4617864), (144, 4489590), (160, 4040631), (168, 3848220), (180, 3591672), (189, 3420640), (210, 3078576), (216, 2993060), (224, 2886165), (240, 2693754), (252, 2565480), (270, 2394448), (280, 2308932), (288, 2244795), (315, 2052384), (336, 1924110), (360, 1795836), (378, 1710320), (420, 1539288), (432, 1496530), (480, 1346877), (504, 1282740), (540, 1197224), (560, 1154466), (630, 1026192), (672, 962055), (720, 897918), (756, 855160), (840, 769644), (864, 748265), (945, 684128), (1008, 641370), (1080, 598612), (1120, 577233), (1260, 513096), (1440, 448959), (1512, 427580), (1680, 384822), (1890, 342064), (2016, 320685), (2160, 299306), (2520, 256548), (3024, 213790), (3360, 192411), (3780, 171032), (4320, 149653), (5040, 128274), (6048, 106895), (7560, 85516), (10080, 64137), (15120, 42758), (21379, 30240)]