20409086880

素因数分解:

$2^5\times 3^2\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{155747}}^1$

素因数の和:155788

約数の個数: 288

約数和(自身を含む): 85718715264

約数和(自身を除く): 65309628384

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 13, 14, 15, 16, 18, 20, 21, 24, 26, 28, 30, 32, 35, 36, 39, 40, 42, 45, 48, 52, 56, 60, 63, 65, 70, 72, 78, 80, 84, 90, 91, 96, 104, 105, 112, 117, 120, 126, 130, 140, 144, 156, 160, 168, 180, 182, 195, 208, 210, 224, 234, 240, 252, 260, 273, 280, 288, 312, 315, 336, 360, 364, 390, 416, 420, 455, 468, 480, 504, 520, 546, 560, 585, 624, 630, 672, 720, 728, 780, 819, 840, 910, 936, 1008, 1040, 1092, 1120, 1170, 1248, 1260, 1365, 1440, 1456, 1560, 1638, 1680, 1820, 1872, 2016, 2080, 2184, 2340, 2520, 2730, 2912, 3120, 3276, 3360, 3640, 3744, 4095, 4368, 4680, 5040, 5460, 6240, 6552, 7280, 8190, 8736, 9360, 10080, 10920, 13104, 14560, 16380, 18720, 21840, 26208, 32760, 43680, 65520, 131040, 155747, 311494, 467241, 622988, 778735, 934482, 1090229, 1245976, 1401723, 1557470, 1868964, 2024711, 2180458, 2336205, 2491952, 2803446, 3114940, 3270687, 3737928, 4049422, 4360916, 4672410, 4983904, 5451145, 5606892, 6074133, 6229880, 6541374, 7008615, 7475856, 8098844, 8721832, 9344820, 9812061, 10123555, 10902290, 11213784, 12148266, 12459760, 13082748, 14017230, 14172977, 14951712, 16197688, 16353435, 17443664, 18222399, 18689640, 19624122, 20247110, 21804580, 22427568, 24296532, 24919520, 26165496, 28034460, 28345954, 30370665, 32395376, 32706870, 34887328, 36444798, 37379280, 39248244, 40494220, 42518931, 43609160, 44855136, 48593064, 49060305, 52330992, 56068920, 56691908, 60741330, 64790752, 65413740, 70864885, 72889596, 74758560, 78496488, 80988440, 85037862, 87218320, 91111995, 97186128, 98120610, 104661984, 112137840, 113383816, 121482660, 127556793, 130827480, 141729770, 145779192, 156992976, 161976880, 170075724, 174436640, 182223990, 194372256, 196241220, 212594655, 224275680, 226767632, 242965320, 255113586, 261654960, 283459540, 291558384, 313985952, 323953760, 340151448, 364447980, 392482440, 425189310, 453535264, 485930640, 510227172, 523309920, 566919080, 583116768, 637783965, 680302896, 728895960, 784964880, 850378620, 971861280, 1020454344, 1133838160, 1275567930, 1360605792, 1457791920, 1569929760, 1700757240, 2040908688, 2267676320, 2551135860, 2915583840, 3401514480, 4081817376, 5102271720, 6803028960, 10204543440, 20409086880]

約数ペア:

[(1, 20409086880), (2, 10204543440), (3, 6803028960), (4, 5102271720), (5, 4081817376), (6, 3401514480), (7, 2915583840), (8, 2551135860), (9, 2267676320), (10, 2040908688), (12, 1700757240), (13, 1569929760), (14, 1457791920), (15, 1360605792), (16, 1275567930), (18, 1133838160), (20, 1020454344), (21, 971861280), (24, 850378620), (26, 784964880), (28, 728895960), (30, 680302896), (32, 637783965), (35, 583116768), (36, 566919080), (39, 523309920), (40, 510227172), (42, 485930640), (45, 453535264), (48, 425189310), (52, 392482440), (56, 364447980), (60, 340151448), (63, 323953760), (65, 313985952), (70, 291558384), (72, 283459540), (78, 261654960), (80, 255113586), (84, 242965320), (90, 226767632), (91, 224275680), (96, 212594655), (104, 196241220), (105, 194372256), (112, 182223990), (117, 174436640), (120, 170075724), (126, 161976880), (130, 156992976), (140, 145779192), (144, 141729770), (156, 130827480), (160, 127556793), (168, 121482660), (180, 113383816), (182, 112137840), (195, 104661984), (208, 98120610), (210, 97186128), (224, 91111995), (234, 87218320), (240, 85037862), (252, 80988440), (260, 78496488), (273, 74758560), (280, 72889596), (288, 70864885), (312, 65413740), (315, 64790752), (336, 60741330), (360, 56691908), (364, 56068920), (390, 52330992), (416, 49060305), (420, 48593064), (455, 44855136), (468, 43609160), (480, 42518931), (504, 40494220), (520, 39248244), (546, 37379280), (560, 36444798), (585, 34887328), (624, 32706870), (630, 32395376), (672, 30370665), (720, 28345954), (728, 28034460), (780, 26165496), (819, 24919520), (840, 24296532), (910, 22427568), (936, 21804580), (1008, 20247110), (1040, 19624122), (1092, 18689640), (1120, 18222399), (1170, 17443664), (1248, 16353435), (1260, 16197688), (1365, 14951712), (1440, 14172977), (1456, 14017230), (1560, 13082748), (1638, 12459760), (1680, 12148266), (1820, 11213784), (1872, 10902290), (2016, 10123555), (2080, 9812061), (2184, 9344820), (2340, 8721832), (2520, 8098844), (2730, 7475856), (2912, 7008615), (3120, 6541374), (3276, 6229880), (3360, 6074133), (3640, 5606892), (3744, 5451145), (4095, 4983904), (4368, 4672410), (4680, 4360916), (5040, 4049422), (5460, 3737928), (6240, 3270687), (6552, 3114940), (7280, 2803446), (8190, 2491952), (8736, 2336205), (9360, 2180458), (10080, 2024711), (10920, 1868964), (13104, 1557470), (14560, 1401723), (16380, 1245976), (18720, 1090229), (21840, 934482), (26208, 778735), (32760, 622988), (43680, 467241), (65520, 311494), (131040, 155747)]