21125735280

素因数分解:

$2^4\times 3^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{373}}^1\times {\mathrm{2017}}^1$

素因数の和:2425

約数の個数: 320

約数和(自身を含む): 78612885120

約数和(自身を除く): 57487149840

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 13, 15, 16, 18, 20, 24, 26, 27, 30, 36, 39, 40, 45, 48, 52, 54, 60, 65, 72, 78, 80, 90, 104, 108, 117, 120, 130, 135, 144, 156, 180, 195, 208, 216, 234, 240, 260, 270, 312, 351, 360, 373, 390, 432, 468, 520, 540, 585, 624, 702, 720, 746, 780, 936, 1040, 1080, 1119, 1170, 1404, 1492, 1560, 1755, 1865, 1872, 2017, 2160, 2238, 2340, 2808, 2984, 3120, 3357, 3510, 3730, 4034, 4476, 4680, 4849, 5595, 5616, 5968, 6051, 6714, 7020, 7460, 8068, 8952, 9360, 9698, 10071, 10085, 11190, 12102, 13428, 14040, 14547, 14920, 16136, 16785, 17904, 18153, 19396, 20142, 20170, 22380, 24204, 24245, 26221, 26856, 28080, 29094, 29840, 30255, 32272, 33570, 36306, 38792, 40284, 40340, 43641, 44760, 48408, 48490, 50355, 52442, 53712, 54459, 58188, 60510, 67140, 72612, 72735, 77584, 78663, 80568, 80680, 87282, 89520, 90765, 96816, 96980, 100710, 104884, 108918, 116376, 121020, 130923, 131105, 134280, 145224, 145470, 157326, 161136, 161360, 174564, 181530, 193960, 201420, 209768, 217836, 218205, 232752, 235989, 242040, 261846, 262210, 268560, 272295, 290448, 290940, 314652, 349128, 363060, 387920, 393315, 402840, 419536, 435672, 436410, 471978, 484080, 523692, 524420, 544590, 581880, 629304, 654615, 698256, 707967, 726120, 752341, 786630, 805680, 871344, 872820, 943956, 1047384, 1048840, 1089180, 1163760, 1179945, 1258608, 1309230, 1415934, 1452240, 1504682, 1573260, 1745640, 1887912, 2094768, 2097680, 2178360, 2257023, 2359890, 2618460, 2831868, 3009364, 3146520, 3491280, 3539835, 3761705, 3775824, 4356720, 4514046, 4719780, 5236920, 5663736, 6018728, 6293040, 6771069, 7079670, 7523410, 9028092, 9439560, 9780433, 10473840, 11285115, 11327472, 12037456, 13542138, 14159340, 15046820, 18056184, 18879120, 19560866, 20313207, 22570230, 27084276, 28318680, 29341299, 30093640, 33855345, 36112368, 39121732, 40626414, 45140460, 48902165, 54168552, 56637360, 58682598, 60187280, 67710690, 78243464, 81252828, 88023897, 90280920, 97804330, 101566035, 108337104, 117365196, 135421380, 146706495, 156486928, 162505656, 176047794, 180561840, 195608660, 203132070, 234730392, 264071691, 270842760, 293412990, 325011312, 352095588, 391217320, 406264140, 440119485, 469460784, 528143382, 541685520, 586825980, 704191176, 782434640, 812528280, 880238970, 1056286764, 1173651960, 1320358455, 1408382352, 1625056560, 1760477940, 2112573528, 2347303920, 2640716910, 3520955880, 4225147056, 5281433820, 7041911760, 10562867640, 21125735280]

約数ペア:

[(1, 21125735280), (2, 10562867640), (3, 7041911760), (4, 5281433820), (5, 4225147056), (6, 3520955880), (8, 2640716910), (9, 2347303920), (10, 2112573528), (12, 1760477940), (13, 1625056560), (15, 1408382352), (16, 1320358455), (18, 1173651960), (20, 1056286764), (24, 880238970), (26, 812528280), (27, 782434640), (30, 704191176), (36, 586825980), (39, 541685520), (40, 528143382), (45, 469460784), (48, 440119485), (52, 406264140), (54, 391217320), (60, 352095588), (65, 325011312), (72, 293412990), (78, 270842760), (80, 264071691), (90, 234730392), (104, 203132070), (108, 195608660), (117, 180561840), (120, 176047794), (130, 162505656), (135, 156486928), (144, 146706495), (156, 135421380), (180, 117365196), (195, 108337104), (208, 101566035), (216, 97804330), (234, 90280920), (240, 88023897), (260, 81252828), (270, 78243464), (312, 67710690), (351, 60187280), (360, 58682598), (373, 56637360), (390, 54168552), (432, 48902165), (468, 45140460), (520, 40626414), (540, 39121732), (585, 36112368), (624, 33855345), (702, 30093640), (720, 29341299), (746, 28318680), (780, 27084276), (936, 22570230), (1040, 20313207), (1080, 19560866), (1119, 18879120), (1170, 18056184), (1404, 15046820), (1492, 14159340), (1560, 13542138), (1755, 12037456), (1865, 11327472), (1872, 11285115), (2017, 10473840), (2160, 9780433), (2238, 9439560), (2340, 9028092), (2808, 7523410), (2984, 7079670), (3120, 6771069), (3357, 6293040), (3510, 6018728), (3730, 5663736), (4034, 5236920), (4476, 4719780), (4680, 4514046), (4849, 4356720), (5595, 3775824), (5616, 3761705), (5968, 3539835), (6051, 3491280), (6714, 3146520), (7020, 3009364), (7460, 2831868), (8068, 2618460), (8952, 2359890), (9360, 2257023), (9698, 2178360), (10071, 2097680), (10085, 2094768), (11190, 1887912), (12102, 1745640), (13428, 1573260), (14040, 1504682), (14547, 1452240), (14920, 1415934), (16136, 1309230), (16785, 1258608), (17904, 1179945), (18153, 1163760), (19396, 1089180), (20142, 1048840), (20170, 1047384), (22380, 943956), (24204, 872820), (24245, 871344), (26221, 805680), (26856, 786630), (28080, 752341), (29094, 726120), (29840, 707967), (30255, 698256), (32272, 654615), (33570, 629304), (36306, 581880), (38792, 544590), (40284, 524420), (40340, 523692), (43641, 484080), (44760, 471978), (48408, 436410), (48490, 435672), (50355, 419536), (52442, 402840), (53712, 393315), (54459, 387920), (58188, 363060), (60510, 349128), (67140, 314652), (72612, 290940), (72735, 290448), (77584, 272295), (78663, 268560), (80568, 262210), (80680, 261846), (87282, 242040), (89520, 235989), (90765, 232752), (96816, 218205), (96980, 217836), (100710, 209768), (104884, 201420), (108918, 193960), (116376, 181530), (121020, 174564), (130923, 161360), (131105, 161136), (134280, 157326), (145224, 145470)]