21728513520

素因数分解:

$2^4\times 3^3\times 5^1\times 7^1\times {\mathrm{503}}^1\times {\mathrm{2857}}^1$

素因数の和:3389

約数の個数: 320

約数和(自身を含む): 85734512640

約数和(自身を除く): 64005999120

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 16, 18, 20, 21, 24, 27, 28, 30, 35, 36, 40, 42, 45, 48, 54, 56, 60, 63, 70, 72, 80, 84, 90, 105, 108, 112, 120, 126, 135, 140, 144, 168, 180, 189, 210, 216, 240, 252, 270, 280, 315, 336, 360, 378, 420, 432, 503, 504, 540, 560, 630, 720, 756, 840, 945, 1006, 1008, 1080, 1260, 1509, 1512, 1680, 1890, 2012, 2160, 2515, 2520, 2857, 3018, 3024, 3521, 3780, 4024, 4527, 5030, 5040, 5714, 6036, 7042, 7545, 7560, 8048, 8571, 9054, 10060, 10563, 11428, 12072, 13581, 14084, 14285, 15090, 15120, 17142, 17605, 18108, 19999, 20120, 21126, 22635, 22856, 24144, 25713, 27162, 28168, 28570, 30180, 31689, 34284, 35210, 36216, 39998, 40240, 42252, 42855, 45270, 45712, 51426, 52815, 54324, 56336, 57140, 59997, 60360, 63378, 67905, 68568, 70420, 72432, 77139, 79996, 84504, 85710, 90540, 95067, 99995, 102852, 105630, 108648, 114280, 119994, 120720, 126756, 128565, 135810, 137136, 140840, 154278, 158445, 159992, 169008, 171420, 179991, 181080, 190134, 199990, 205704, 211260, 217296, 228560, 239988, 253512, 257130, 271620, 281680, 299985, 308556, 316890, 319984, 342840, 359982, 362160, 380268, 385695, 399980, 411408, 422520, 475335, 479976, 507024, 514260, 539973, 543240, 599970, 617112, 633780, 685680, 719964, 760536, 771390, 799960, 845040, 899955, 950670, 959952, 1028520, 1079946, 1086480, 1199940, 1234224, 1267560, 1437071, 1439928, 1521072, 1542780, 1599920, 1799910, 1901340, 2057040, 2159892, 2399880, 2535120, 2699865, 2874142, 2879856, 3085560, 3599820, 3802680, 4311213, 4319784, 4799760, 5399730, 5748284, 6171120, 7185355, 7199640, 7605360, 8622426, 8639568, 10059497, 10799460, 11496568, 12933639, 14370710, 14399280, 17244852, 20118994, 21556065, 21598920, 22993136, 25867278, 28741420, 30178491, 34489704, 38800917, 40237988, 43112130, 43197840, 50297485, 51734556, 57482840, 60356982, 64668195, 68979408, 77601834, 80475976, 86224260, 90535473, 100594970, 103469112, 114965680, 120713964, 129336390, 150892455, 155203668, 160951952, 172448520, 181070946, 194004585, 201189940, 206938224, 241427928, 258672780, 271606419, 301784910, 310407336, 344897040, 362141892, 388009170, 402379880, 452677365, 482855856, 517345560, 543212838, 603569820, 620814672, 724283784, 776018340, 804759760, 905354730, 1034691120, 1086425676, 1207139640, 1358032095, 1448567568, 1552036680, 1810709460, 2172851352, 2414279280, 2716064190, 3104073360, 3621418920, 4345702704, 5432128380, 7242837840, 10864256760, 21728513520]

約数ペア:

[(1, 21728513520), (2, 10864256760), (3, 7242837840), (4, 5432128380), (5, 4345702704), (6, 3621418920), (7, 3104073360), (8, 2716064190), (9, 2414279280), (10, 2172851352), (12, 1810709460), (14, 1552036680), (15, 1448567568), (16, 1358032095), (18, 1207139640), (20, 1086425676), (21, 1034691120), (24, 905354730), (27, 804759760), (28, 776018340), (30, 724283784), (35, 620814672), (36, 603569820), (40, 543212838), (42, 517345560), (45, 482855856), (48, 452677365), (54, 402379880), (56, 388009170), (60, 362141892), (63, 344897040), (70, 310407336), (72, 301784910), (80, 271606419), (84, 258672780), (90, 241427928), (105, 206938224), (108, 201189940), (112, 194004585), (120, 181070946), (126, 172448520), (135, 160951952), (140, 155203668), (144, 150892455), (168, 129336390), (180, 120713964), (189, 114965680), (210, 103469112), (216, 100594970), (240, 90535473), (252, 86224260), (270, 80475976), (280, 77601834), (315, 68979408), (336, 64668195), (360, 60356982), (378, 57482840), (420, 51734556), (432, 50297485), (503, 43197840), (504, 43112130), (540, 40237988), (560, 38800917), (630, 34489704), (720, 30178491), (756, 28741420), (840, 25867278), (945, 22993136), (1006, 21598920), (1008, 21556065), (1080, 20118994), (1260, 17244852), (1509, 14399280), (1512, 14370710), (1680, 12933639), (1890, 11496568), (2012, 10799460), (2160, 10059497), (2515, 8639568), (2520, 8622426), (2857, 7605360), (3018, 7199640), (3024, 7185355), (3521, 6171120), (3780, 5748284), (4024, 5399730), (4527, 4799760), (5030, 4319784), (5040, 4311213), (5714, 3802680), (6036, 3599820), (7042, 3085560), (7545, 2879856), (7560, 2874142), (8048, 2699865), (8571, 2535120), (9054, 2399880), (10060, 2159892), (10563, 2057040), (11428, 1901340), (12072, 1799910), (13581, 1599920), (14084, 1542780), (14285, 1521072), (15090, 1439928), (15120, 1437071), (17142, 1267560), (17605, 1234224), (18108, 1199940), (19999, 1086480), (20120, 1079946), (21126, 1028520), (22635, 959952), (22856, 950670), (24144, 899955), (25713, 845040), (27162, 799960), (28168, 771390), (28570, 760536), (30180, 719964), (31689, 685680), (34284, 633780), (35210, 617112), (36216, 599970), (39998, 543240), (40240, 539973), (42252, 514260), (42855, 507024), (45270, 479976), (45712, 475335), (51426, 422520), (52815, 411408), (54324, 399980), (56336, 385695), (57140, 380268), (59997, 362160), (60360, 359982), (63378, 342840), (67905, 319984), (68568, 316890), (70420, 308556), (72432, 299985), (77139, 281680), (79996, 271620), (84504, 257130), (85710, 253512), (90540, 239988), (95067, 228560), (99995, 217296), (102852, 211260), (105630, 205704), (108648, 199990), (114280, 190134), (119994, 181080), (120720, 179991), (126756, 171420), (128565, 169008), (135810, 159992), (137136, 158445), (140840, 154278)]