20899145280

素因数分解:

$2^6\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{149}}^1\times {\mathrm{11239}}^1$

素因数の和:11421

約数の個数: 224

約数和(自身を含む): 71944992000

約数和(自身を除く): 51045846720

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 13, 15, 16, 20, 24, 26, 30, 32, 39, 40, 48, 52, 60, 64, 65, 78, 80, 96, 104, 120, 130, 149, 156, 160, 192, 195, 208, 240, 260, 298, 312, 320, 390, 416, 447, 480, 520, 596, 624, 745, 780, 832, 894, 960, 1040, 1192, 1248, 1490, 1560, 1788, 1937, 2080, 2235, 2384, 2496, 2980, 3120, 3576, 3874, 4160, 4470, 4768, 5811, 5960, 6240, 7152, 7748, 8940, 9536, 9685, 11239, 11622, 11920, 12480, 14304, 15496, 17880, 19370, 22478, 23244, 23840, 28608, 29055, 30992, 33717, 35760, 38740, 44956, 46488, 47680, 56195, 58110, 61984, 67434, 71520, 77480, 89912, 92976, 112390, 116220, 123968, 134868, 143040, 146107, 154960, 168585, 179824, 185952, 224780, 232440, 269736, 292214, 309920, 337170, 359648, 371904, 438321, 449560, 464880, 539472, 584428, 619840, 674340, 719296, 730535, 876642, 899120, 929760, 1078944, 1168856, 1348680, 1461070, 1674611, 1753284, 1798240, 1859520, 2157888, 2191605, 2337712, 2697360, 2922140, 3349222, 3506568, 3596480, 4383210, 4675424, 5023833, 5394720, 5844280, 6698444, 7013136, 8373055, 8766420, 9350848, 10047666, 10789440, 11688560, 13396888, 14026272, 16746110, 17532840, 20095332, 21769943, 23377120, 25119165, 26793776, 28052544, 33492220, 35065680, 40190664, 43539886, 46754240, 50238330, 53587552, 65309829, 66984440, 70131360, 80381328, 87079772, 100476660, 107175104, 108849715, 130619658, 133968880, 140262720, 160762656, 174159544, 200953320, 217699430, 261239316, 267937760, 321525312, 326549145, 348319088, 401906640, 435398860, 522478632, 535875520, 653098290, 696638176, 803813280, 870797720, 1044957264, 1306196580, 1393276352, 1607626560, 1741595440, 2089914528, 2612393160, 3483190880, 4179829056, 5224786320, 6966381760, 10449572640, 20899145280]

約数ペア:

[(1, 20899145280), (2, 10449572640), (3, 6966381760), (4, 5224786320), (5, 4179829056), (6, 3483190880), (8, 2612393160), (10, 2089914528), (12, 1741595440), (13, 1607626560), (15, 1393276352), (16, 1306196580), (20, 1044957264), (24, 870797720), (26, 803813280), (30, 696638176), (32, 653098290), (39, 535875520), (40, 522478632), (48, 435398860), (52, 401906640), (60, 348319088), (64, 326549145), (65, 321525312), (78, 267937760), (80, 261239316), (96, 217699430), (104, 200953320), (120, 174159544), (130, 160762656), (149, 140262720), (156, 133968880), (160, 130619658), (192, 108849715), (195, 107175104), (208, 100476660), (240, 87079772), (260, 80381328), (298, 70131360), (312, 66984440), (320, 65309829), (390, 53587552), (416, 50238330), (447, 46754240), (480, 43539886), (520, 40190664), (596, 35065680), (624, 33492220), (745, 28052544), (780, 26793776), (832, 25119165), (894, 23377120), (960, 21769943), (1040, 20095332), (1192, 17532840), (1248, 16746110), (1490, 14026272), (1560, 13396888), (1788, 11688560), (1937, 10789440), (2080, 10047666), (2235, 9350848), (2384, 8766420), (2496, 8373055), (2980, 7013136), (3120, 6698444), (3576, 5844280), (3874, 5394720), (4160, 5023833), (4470, 4675424), (4768, 4383210), (5811, 3596480), (5960, 3506568), (6240, 3349222), (7152, 2922140), (7748, 2697360), (8940, 2337712), (9536, 2191605), (9685, 2157888), (11239, 1859520), (11622, 1798240), (11920, 1753284), (12480, 1674611), (14304, 1461070), (15496, 1348680), (17880, 1168856), (19370, 1078944), (22478, 929760), (23244, 899120), (23840, 876642), (28608, 730535), (29055, 719296), (30992, 674340), (33717, 619840), (35760, 584428), (38740, 539472), (44956, 464880), (46488, 449560), (47680, 438321), (56195, 371904), (58110, 359648), (61984, 337170), (67434, 309920), (71520, 292214), (77480, 269736), (89912, 232440), (92976, 224780), (112390, 185952), (116220, 179824), (123968, 168585), (134868, 154960), (143040, 146107)]