205901280

素因数分解:

$2^5\times 3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{647}}^1$

素因数の和:698

約数の個数: 288

約数和(自身を含む): 802436544

約数和(自身を除く): 596535264

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 13, 15, 16, 17, 18, 20, 24, 26, 30, 32, 34, 36, 39, 40, 45, 48, 51, 52, 60, 65, 68, 72, 78, 80, 85, 90, 96, 102, 104, 117, 120, 130, 136, 144, 153, 156, 160, 170, 180, 195, 204, 208, 221, 234, 240, 255, 260, 272, 288, 306, 312, 340, 360, 390, 408, 416, 442, 468, 480, 510, 520, 544, 585, 612, 624, 647, 663, 680, 720, 765, 780, 816, 884, 936, 1020, 1040, 1105, 1170, 1224, 1248, 1294, 1326, 1360, 1440, 1530, 1560, 1632, 1768, 1872, 1941, 1989, 2040, 2080, 2210, 2340, 2448, 2588, 2652, 2720, 3060, 3120, 3235, 3315, 3536, 3744, 3882, 3978, 4080, 4420, 4680, 4896, 5176, 5304, 5823, 6120, 6240, 6470, 6630, 7072, 7764, 7956, 8160, 8411, 8840, 9360, 9705, 9945, 10352, 10608, 10999, 11646, 12240, 12940, 13260, 15528, 15912, 16822, 17680, 18720, 19410, 19890, 20704, 21216, 21998, 23292, 24480, 25233, 25880, 26520, 29115, 31056, 31824, 32997, 33644, 35360, 38820, 39780, 42055, 43996, 46584, 50466, 51760, 53040, 54995, 58230, 62112, 63648, 65994, 67288, 75699, 77640, 79560, 84110, 87992, 93168, 98991, 100932, 103520, 106080, 109990, 116460, 126165, 131988, 134576, 142987, 151398, 155280, 159120, 164985, 168220, 175984, 186336, 197982, 201864, 219980, 232920, 252330, 263976, 269152, 285974, 302796, 310560, 318240, 329970, 336440, 351968, 378495, 395964, 403728, 428961, 439960, 465840, 494955, 504660, 527952, 571948, 605592, 659940, 672880, 714935, 756990, 791928, 807456, 857922, 879920, 931680, 989910, 1009320, 1055904, 1143896, 1211184, 1286883, 1319880, 1345760, 1429870, 1513980, 1583856, 1715844, 1759840, 1979820, 2018640, 2144805, 2287792, 2422368, 2573766, 2639760, 2859740, 3027960, 3167712, 3431688, 3959640, 4037280, 4289610, 4575584, 5147532, 5279520, 5719480, 6055920, 6434415, 6863376, 7919280, 8579220, 10295064, 11438960, 12111840, 12868830, 13726752, 15838560, 17158440, 20590128, 22877920, 25737660, 34316880, 41180256, 51475320, 68633760, 102950640, 205901280]

約数ペア:

[(1, 205901280), (2, 102950640), (3, 68633760), (4, 51475320), (5, 41180256), (6, 34316880), (8, 25737660), (9, 22877920), (10, 20590128), (12, 17158440), (13, 15838560), (15, 13726752), (16, 12868830), (17, 12111840), (18, 11438960), (20, 10295064), (24, 8579220), (26, 7919280), (30, 6863376), (32, 6434415), (34, 6055920), (36, 5719480), (39, 5279520), (40, 5147532), (45, 4575584), (48, 4289610), (51, 4037280), (52, 3959640), (60, 3431688), (65, 3167712), (68, 3027960), (72, 2859740), (78, 2639760), (80, 2573766), (85, 2422368), (90, 2287792), (96, 2144805), (102, 2018640), (104, 1979820), (117, 1759840), (120, 1715844), (130, 1583856), (136, 1513980), (144, 1429870), (153, 1345760), (156, 1319880), (160, 1286883), (170, 1211184), (180, 1143896), (195, 1055904), (204, 1009320), (208, 989910), (221, 931680), (234, 879920), (240, 857922), (255, 807456), (260, 791928), (272, 756990), (288, 714935), (306, 672880), (312, 659940), (340, 605592), (360, 571948), (390, 527952), (408, 504660), (416, 494955), (442, 465840), (468, 439960), (480, 428961), (510, 403728), (520, 395964), (544, 378495), (585, 351968), (612, 336440), (624, 329970), (647, 318240), (663, 310560), (680, 302796), (720, 285974), (765, 269152), (780, 263976), (816, 252330), (884, 232920), (936, 219980), (1020, 201864), (1040, 197982), (1105, 186336), (1170, 175984), (1224, 168220), (1248, 164985), (1294, 159120), (1326, 155280), (1360, 151398), (1440, 142987), (1530, 134576), (1560, 131988), (1632, 126165), (1768, 116460), (1872, 109990), (1941, 106080), (1989, 103520), (2040, 100932), (2080, 98991), (2210, 93168), (2340, 87992), (2448, 84110), (2588, 79560), (2652, 77640), (2720, 75699), (3060, 67288), (3120, 65994), (3235, 63648), (3315, 62112), (3536, 58230), (3744, 54995), (3882, 53040), (3978, 51760), (4080, 50466), (4420, 46584), (4680, 43996), (4896, 42055), (5176, 39780), (5304, 38820), (5823, 35360), (6120, 33644), (6240, 32997), (6470, 31824), (6630, 31056), (7072, 29115), (7764, 26520), (7956, 25880), (8160, 25233), (8411, 24480), (8840, 23292), (9360, 21998), (9705, 21216), (9945, 20704), (10352, 19890), (10608, 19410), (10999, 18720), (11646, 17680), (12240, 16822), (12940, 15912), (13260, 15528)]