1645943040

素因数分解:

$2^8\times 3^2\times 5^1\times 7^1\times {\mathrm{20411}}^1$

素因数の和:20445

約数の個数: 216

約数和(自身を含む): 6508651968

約数和(自身を除く): 4862708928

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, 128, 140, 144, 160, 168, 180, 192, 210, 224, 240, 252, 256, 280, 288, 315, 320, 336, 360, 384, 420, 448, 480, 504, 560, 576, 630, 640, 672, 720, 768, 840, 896, 960, 1008, 1120, 1152, 1260, 1280, 1344, 1440, 1680, 1792, 1920, 2016, 2240, 2304, 2520, 2688, 2880, 3360, 3840, 4032, 4480, 5040, 5376, 5760, 6720, 8064, 8960, 10080, 11520, 13440, 16128, 20160, 20411, 26880, 40320, 40822, 61233, 80640, 81644, 102055, 122466, 142877, 163288, 183699, 204110, 244932, 285754, 306165, 326576, 367398, 408220, 428631, 489864, 571508, 612330, 653152, 714385, 734796, 816440, 857262, 918495, 979728, 1143016, 1224660, 1285893, 1306304, 1428770, 1469592, 1632880, 1714524, 1836990, 1959456, 2143155, 2286032, 2449320, 2571786, 2612608, 2857540, 2939184, 3265760, 3429048, 3673980, 3918912, 4286310, 4572064, 4898640, 5143572, 5225216, 5715080, 5878368, 6429465, 6531520, 6858096, 7347960, 7837824, 8572620, 9144128, 9797280, 10287144, 11430160, 11756736, 12858930, 13063040, 13716192, 14695920, 15675648, 17145240, 18288256, 19594560, 20574288, 22860320, 23513472, 25717860, 26126080, 27432384, 29391840, 34290480, 36576512, 39189120, 41148576, 45720640, 47026944, 51435720, 54864768, 58783680, 68580960, 78378240, 82297152, 91441280, 102871440, 109729536, 117567360, 137161920, 164594304, 182882560, 205742880, 235134720, 274323840, 329188608, 411485760, 548647680, 822971520, 1645943040]

約数ペア:

[(1, 1645943040), (2, 822971520), (3, 548647680), (4, 411485760), (5, 329188608), (6, 274323840), (7, 235134720), (8, 205742880), (9, 182882560), (10, 164594304), (12, 137161920), (14, 117567360), (15, 109729536), (16, 102871440), (18, 91441280), (20, 82297152), (21, 78378240), (24, 68580960), (28, 58783680), (30, 54864768), (32, 51435720), (35, 47026944), (36, 45720640), (40, 41148576), (42, 39189120), (45, 36576512), (48, 34290480), (56, 29391840), (60, 27432384), (63, 26126080), (64, 25717860), (70, 23513472), (72, 22860320), (80, 20574288), (84, 19594560), (90, 18288256), (96, 17145240), (105, 15675648), (112, 14695920), (120, 13716192), (126, 13063040), (128, 12858930), (140, 11756736), (144, 11430160), (160, 10287144), (168, 9797280), (180, 9144128), (192, 8572620), (210, 7837824), (224, 7347960), (240, 6858096), (252, 6531520), (256, 6429465), (280, 5878368), (288, 5715080), (315, 5225216), (320, 5143572), (336, 4898640), (360, 4572064), (384, 4286310), (420, 3918912), (448, 3673980), (480, 3429048), (504, 3265760), (560, 2939184), (576, 2857540), (630, 2612608), (640, 2571786), (672, 2449320), (720, 2286032), (768, 2143155), (840, 1959456), (896, 1836990), (960, 1714524), (1008, 1632880), (1120, 1469592), (1152, 1428770), (1260, 1306304), (1280, 1285893), (1344, 1224660), (1440, 1143016), (1680, 979728), (1792, 918495), (1920, 857262), (2016, 816440), (2240, 734796), (2304, 714385), (2520, 653152), (2688, 612330), (2880, 571508), (3360, 489864), (3840, 428631), (4032, 408220), (4480, 367398), (5040, 326576), (5376, 306165), (5760, 285754), (6720, 244932), (8064, 204110), (8960, 183699), (10080, 163288), (11520, 142877), (13440, 122466), (16128, 102055), (20160, 81644), (20411, 80640), (26880, 61233), (40320, 40822)]