21955770720

素因数分解:

$2^5\times 3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{61729}}^1$

素因数の和:61782

約数の個数: 288

約数和(自身を含む): 84935541600

約数和(自身を除く): 62979770880

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 13, 15, 16, 18, 19, 20, 24, 26, 30, 32, 36, 38, 39, 40, 45, 48, 52, 57, 60, 65, 72, 76, 78, 80, 90, 95, 96, 104, 114, 117, 120, 130, 144, 152, 156, 160, 171, 180, 190, 195, 208, 228, 234, 240, 247, 260, 285, 288, 304, 312, 342, 360, 380, 390, 416, 456, 468, 480, 494, 520, 570, 585, 608, 624, 684, 720, 741, 760, 780, 855, 912, 936, 988, 1040, 1140, 1170, 1235, 1248, 1368, 1440, 1482, 1520, 1560, 1710, 1824, 1872, 1976, 2080, 2223, 2280, 2340, 2470, 2736, 2964, 3040, 3120, 3420, 3705, 3744, 3952, 4446, 4560, 4680, 4940, 5472, 5928, 6240, 6840, 7410, 7904, 8892, 9120, 9360, 9880, 11115, 11856, 13680, 14820, 17784, 18720, 19760, 22230, 23712, 27360, 29640, 35568, 39520, 44460, 59280, 61729, 71136, 88920, 118560, 123458, 177840, 185187, 246916, 308645, 355680, 370374, 493832, 555561, 617290, 740748, 802477, 925935, 987664, 1111122, 1172851, 1234580, 1481496, 1604954, 1851870, 1975328, 2222244, 2345702, 2407431, 2469160, 2777805, 2962992, 3209908, 3518553, 3703740, 4012385, 4444488, 4691404, 4814862, 4938320, 5555610, 5864255, 5925984, 6419816, 7037106, 7222293, 7407480, 8024770, 8888976, 9382808, 9629724, 9876640, 10555659, 11111220, 11728510, 12037155, 12839632, 14074212, 14444586, 14814960, 15247063, 16049540, 17592765, 17777952, 18765616, 19259448, 21111318, 22222440, 23457020, 24074310, 25679264, 28148424, 28889172, 29629920, 30494126, 32099080, 35185530, 36111465, 37531232, 38518896, 42222636, 44444880, 45741189, 46914040, 48148620, 52778295, 56296848, 57778344, 60988252, 64198160, 70371060, 72222930, 76235315, 77037792, 84445272, 88889760, 91482378, 93828080, 96297240, 105556590, 112593696, 115556688, 121976504, 128396320, 137223567, 140742120, 144445860, 152470630, 168890544, 182964756, 187656160, 192594480, 211113180, 228705945, 231113376, 243953008, 274447134, 281484240, 288891720, 304941260, 337781088, 365929512, 385188960, 422226360, 457411890, 487906016, 548894268, 562968480, 577783440, 609882520, 686117835, 731859024, 844452720, 914823780, 1097788536, 1155566880, 1219765040, 1372235670, 1463718048, 1688905440, 1829647560, 2195577072, 2439530080, 2744471340, 3659295120, 4391154144, 5488942680, 7318590240, 10977885360, 21955770720]

約数ペア:

[(1, 21955770720), (2, 10977885360), (3, 7318590240), (4, 5488942680), (5, 4391154144), (6, 3659295120), (8, 2744471340), (9, 2439530080), (10, 2195577072), (12, 1829647560), (13, 1688905440), (15, 1463718048), (16, 1372235670), (18, 1219765040), (19, 1155566880), (20, 1097788536), (24, 914823780), (26, 844452720), (30, 731859024), (32, 686117835), (36, 609882520), (38, 577783440), (39, 562968480), (40, 548894268), (45, 487906016), (48, 457411890), (52, 422226360), (57, 385188960), (60, 365929512), (65, 337781088), (72, 304941260), (76, 288891720), (78, 281484240), (80, 274447134), (90, 243953008), (95, 231113376), (96, 228705945), (104, 211113180), (114, 192594480), (117, 187656160), (120, 182964756), (130, 168890544), (144, 152470630), (152, 144445860), (156, 140742120), (160, 137223567), (171, 128396320), (180, 121976504), (190, 115556688), (195, 112593696), (208, 105556590), (228, 96297240), (234, 93828080), (240, 91482378), (247, 88889760), (260, 84445272), (285, 77037792), (288, 76235315), (304, 72222930), (312, 70371060), (342, 64198160), (360, 60988252), (380, 57778344), (390, 56296848), (416, 52778295), (456, 48148620), (468, 46914040), (480, 45741189), (494, 44444880), (520, 42222636), (570, 38518896), (585, 37531232), (608, 36111465), (624, 35185530), (684, 32099080), (720, 30494126), (741, 29629920), (760, 28889172), (780, 28148424), (855, 25679264), (912, 24074310), (936, 23457020), (988, 22222440), (1040, 21111318), (1140, 19259448), (1170, 18765616), (1235, 17777952), (1248, 17592765), (1368, 16049540), (1440, 15247063), (1482, 14814960), (1520, 14444586), (1560, 14074212), (1710, 12839632), (1824, 12037155), (1872, 11728510), (1976, 11111220), (2080, 10555659), (2223, 9876640), (2280, 9629724), (2340, 9382808), (2470, 8888976), (2736, 8024770), (2964, 7407480), (3040, 7222293), (3120, 7037106), (3420, 6419816), (3705, 5925984), (3744, 5864255), (3952, 5555610), (4446, 4938320), (4560, 4814862), (4680, 4691404), (4940, 4444488), (5472, 4012385), (5928, 3703740), (6240, 3518553), (6840, 3209908), (7410, 2962992), (7904, 2777805), (8892, 2469160), (9120, 2407431), (9360, 2345702), (9880, 2222244), (11115, 1975328), (11856, 1851870), (13680, 1604954), (14820, 1481496), (17784, 1234580), (18720, 1172851), (19760, 1111122), (22230, 987664), (23712, 925935), (27360, 802477), (29640, 740748), (35568, 617290), (39520, 555561), (44460, 493832), (59280, 370374), (61729, 355680), (71136, 308645), (88920, 246916), (118560, 185187), (123458, 177840)]