646116480

素因数分解:

$2^7\times 3^3\times 5^1\times {\mathrm{139}}^1\times {\mathrm{269}}^1$

素因数の和:436

約数の個数: 256

約数和(自身を含む): 2313360000

約数和(自身を除く): 1667243520

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 27, 30, 32, 36, 40, 45, 48, 54, 60, 64, 72, 80, 90, 96, 108, 120, 128, 135, 139, 144, 160, 180, 192, 216, 240, 269, 270, 278, 288, 320, 360, 384, 417, 432, 480, 538, 540, 556, 576, 640, 695, 720, 807, 834, 864, 960, 1076, 1080, 1112, 1152, 1251, 1345, 1390, 1440, 1614, 1668, 1728, 1920, 2085, 2152, 2160, 2224, 2421, 2502, 2690, 2780, 2880, 3228, 3336, 3456, 3753, 4035, 4170, 4304, 4320, 4448, 4842, 5004, 5380, 5560, 5760, 6255, 6456, 6672, 7263, 7506, 8070, 8340, 8608, 8640, 8896, 9684, 10008, 10760, 11120, 12105, 12510, 12912, 13344, 14526, 15012, 16140, 16680, 17216, 17280, 17792, 18765, 19368, 20016, 21520, 22240, 24210, 25020, 25824, 26688, 29052, 30024, 32280, 33360, 34432, 36315, 37391, 37530, 38736, 40032, 43040, 44480, 48420, 50040, 51648, 53376, 58104, 60048, 64560, 66720, 72630, 74782, 75060, 77472, 80064, 86080, 88960, 96840, 100080, 103296, 112173, 116208, 120096, 129120, 133440, 145260, 149564, 150120, 154944, 160128, 172160, 186955, 193680, 200160, 224346, 232416, 240192, 258240, 266880, 290520, 299128, 300240, 309888, 336519, 373910, 387360, 400320, 448692, 464832, 480384, 516480, 560865, 581040, 598256, 600480, 673038, 747820, 774720, 800640, 897384, 929664, 1009557, 1121730, 1162080, 1196512, 1200960, 1346076, 1495640, 1549440, 1682595, 1794768, 2019114, 2243460, 2324160, 2393024, 2401920, 2692152, 2991280, 3365190, 3589536, 4038228, 4486920, 4648320, 4786048, 5047785, 5384304, 5982560, 6730380, 7179072, 8076456, 8973840, 10095570, 10768608, 11965120, 13460760, 14358144, 16152912, 17947680, 20191140, 21537216, 23930240, 26921520, 32305824, 35895360, 40382280, 43074432, 53843040, 64611648, 71790720, 80764560, 107686080, 129223296, 161529120, 215372160, 323058240, 646116480]

約数ペア:

[(1, 646116480), (2, 323058240), (3, 215372160), (4, 161529120), (5, 129223296), (6, 107686080), (8, 80764560), (9, 71790720), (10, 64611648), (12, 53843040), (15, 43074432), (16, 40382280), (18, 35895360), (20, 32305824), (24, 26921520), (27, 23930240), (30, 21537216), (32, 20191140), (36, 17947680), (40, 16152912), (45, 14358144), (48, 13460760), (54, 11965120), (60, 10768608), (64, 10095570), (72, 8973840), (80, 8076456), (90, 7179072), (96, 6730380), (108, 5982560), (120, 5384304), (128, 5047785), (135, 4786048), (139, 4648320), (144, 4486920), (160, 4038228), (180, 3589536), (192, 3365190), (216, 2991280), (240, 2692152), (269, 2401920), (270, 2393024), (278, 2324160), (288, 2243460), (320, 2019114), (360, 1794768), (384, 1682595), (417, 1549440), (432, 1495640), (480, 1346076), (538, 1200960), (540, 1196512), (556, 1162080), (576, 1121730), (640, 1009557), (695, 929664), (720, 897384), (807, 800640), (834, 774720), (864, 747820), (960, 673038), (1076, 600480), (1080, 598256), (1112, 581040), (1152, 560865), (1251, 516480), (1345, 480384), (1390, 464832), (1440, 448692), (1614, 400320), (1668, 387360), (1728, 373910), (1920, 336519), (2085, 309888), (2152, 300240), (2160, 299128), (2224, 290520), (2421, 266880), (2502, 258240), (2690, 240192), (2780, 232416), (2880, 224346), (3228, 200160), (3336, 193680), (3456, 186955), (3753, 172160), (4035, 160128), (4170, 154944), (4304, 150120), (4320, 149564), (4448, 145260), (4842, 133440), (5004, 129120), (5380, 120096), (5560, 116208), (5760, 112173), (6255, 103296), (6456, 100080), (6672, 96840), (7263, 88960), (7506, 86080), (8070, 80064), (8340, 77472), (8608, 75060), (8640, 74782), (8896, 72630), (9684, 66720), (10008, 64560), (10760, 60048), (11120, 58104), (12105, 53376), (12510, 51648), (12912, 50040), (13344, 48420), (14526, 44480), (15012, 43040), (16140, 40032), (16680, 38736), (17216, 37530), (17280, 37391), (17792, 36315), (18765, 34432), (19368, 33360), (20016, 32280), (21520, 30024), (22240, 29052), (24210, 26688), (25020, 25824)]