19641680640

素因数分解:

$2^8\times 3^2\times 5^1\times {\mathrm{149}}^1\times {\mathrm{11443}}^1$

素因数の和:11619

約数の個数: 216

約数和(自身を含む): 68420242800

約数和(自身を除く): 48778562160

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 32, 36, 40, 45, 48, 60, 64, 72, 80, 90, 96, 120, 128, 144, 149, 160, 180, 192, 240, 256, 288, 298, 320, 360, 384, 447, 480, 576, 596, 640, 720, 745, 768, 894, 960, 1152, 1192, 1280, 1341, 1440, 1490, 1788, 1920, 2235, 2304, 2384, 2682, 2880, 2980, 3576, 3840, 4470, 4768, 5364, 5760, 5960, 6705, 7152, 8940, 9536, 10728, 11443, 11520, 11920, 13410, 14304, 17880, 19072, 21456, 22886, 23840, 26820, 28608, 34329, 35760, 38144, 42912, 45772, 47680, 53640, 57215, 57216, 68658, 71520, 85824, 91544, 95360, 102987, 107280, 114430, 114432, 137316, 143040, 171645, 171648, 183088, 190720, 205974, 214560, 228860, 274632, 286080, 343290, 343296, 366176, 411948, 429120, 457720, 514935, 549264, 572160, 686580, 732352, 823896, 858240, 915440, 1029870, 1098528, 1373160, 1464704, 1647792, 1705007, 1716480, 1830880, 2059740, 2197056, 2746320, 2929408, 3295584, 3410014, 3661760, 4119480, 4394112, 5115021, 5492640, 6591168, 6820028, 7323520, 8238960, 8525035, 8788224, 10230042, 10985280, 13182336, 13640056, 14647040, 15345063, 16477920, 17050070, 20460084, 21970560, 25575105, 26364672, 27280112, 30690126, 32955840, 34100140, 40920168, 43941120, 51150210, 54560224, 61380252, 65911680, 68200280, 76725315, 81840336, 102300420, 109120448, 122760504, 131823360, 136400560, 153450630, 163680672, 204600840, 218240896, 245521008, 272801120, 306901260, 327361344, 409201680, 436481792, 491042016, 545602240, 613802520, 654722688, 818403360, 982084032, 1091204480, 1227605040, 1309445376, 1636806720, 1964168064, 2182408960, 2455210080, 3273613440, 3928336128, 4910420160, 6547226880, 9820840320, 19641680640]

約数ペア:

[(1, 19641680640), (2, 9820840320), (3, 6547226880), (4, 4910420160), (5, 3928336128), (6, 3273613440), (8, 2455210080), (9, 2182408960), (10, 1964168064), (12, 1636806720), (15, 1309445376), (16, 1227605040), (18, 1091204480), (20, 982084032), (24, 818403360), (30, 654722688), (32, 613802520), (36, 545602240), (40, 491042016), (45, 436481792), (48, 409201680), (60, 327361344), (64, 306901260), (72, 272801120), (80, 245521008), (90, 218240896), (96, 204600840), (120, 163680672), (128, 153450630), (144, 136400560), (149, 131823360), (160, 122760504), (180, 109120448), (192, 102300420), (240, 81840336), (256, 76725315), (288, 68200280), (298, 65911680), (320, 61380252), (360, 54560224), (384, 51150210), (447, 43941120), (480, 40920168), (576, 34100140), (596, 32955840), (640, 30690126), (720, 27280112), (745, 26364672), (768, 25575105), (894, 21970560), (960, 20460084), (1152, 17050070), (1192, 16477920), (1280, 15345063), (1341, 14647040), (1440, 13640056), (1490, 13182336), (1788, 10985280), (1920, 10230042), (2235, 8788224), (2304, 8525035), (2384, 8238960), (2682, 7323520), (2880, 6820028), (2980, 6591168), (3576, 5492640), (3840, 5115021), (4470, 4394112), (4768, 4119480), (5364, 3661760), (5760, 3410014), (5960, 3295584), (6705, 2929408), (7152, 2746320), (8940, 2197056), (9536, 2059740), (10728, 1830880), (11443, 1716480), (11520, 1705007), (11920, 1647792), (13410, 1464704), (14304, 1373160), (17880, 1098528), (19072, 1029870), (21456, 915440), (22886, 858240), (23840, 823896), (26820, 732352), (28608, 686580), (34329, 572160), (35760, 549264), (38144, 514935), (42912, 457720), (45772, 429120), (47680, 411948), (53640, 366176), (57215, 343296), (57216, 343290), (68658, 286080), (71520, 274632), (85824, 228860), (91544, 214560), (95360, 205974), (102987, 190720), (107280, 183088), (114430, 171648), (114432, 171645), (137316, 143040)]