1990582560

素因数分解:

$2^5\times 3^3\times 5^1\times {\mathrm{197}}^1\times {\mathrm{2339}}^1$

素因数の和:2560

約数の個数: 192

約数和(自身を含む): 7005398400

約数和(自身を除く): 5014815840

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 27, 30, 32, 36, 40, 45, 48, 54, 60, 72, 80, 90, 96, 108, 120, 135, 144, 160, 180, 197, 216, 240, 270, 288, 360, 394, 432, 480, 540, 591, 720, 788, 864, 985, 1080, 1182, 1440, 1576, 1773, 1970, 2160, 2339, 2364, 2955, 3152, 3546, 3940, 4320, 4678, 4728, 5319, 5910, 6304, 7017, 7092, 7880, 8865, 9356, 9456, 10638, 11695, 11820, 14034, 14184, 15760, 17730, 18712, 18912, 21051, 21276, 23390, 23640, 26595, 28068, 28368, 31520, 35085, 35460, 37424, 42102, 42552, 46780, 47280, 53190, 56136, 56736, 63153, 70170, 70920, 74848, 84204, 85104, 93560, 94560, 105255, 106380, 112272, 126306, 140340, 141840, 168408, 170208, 187120, 210510, 212760, 224544, 252612, 280680, 283680, 315765, 336816, 374240, 421020, 425520, 460783, 505224, 561360, 631530, 673632, 842040, 851040, 921566, 1010448, 1122720, 1263060, 1382349, 1684080, 1843132, 2020896, 2303915, 2526120, 2764698, 3368160, 3686264, 4147047, 4607830, 5052240, 5529396, 6911745, 7372528, 8294094, 9215660, 10104480, 11058792, 12441141, 13823490, 14745056, 16588188, 18431320, 20735235, 22117584, 24882282, 27646980, 33176376, 36862640, 41470470, 44235168, 49764564, 55293960, 62205705, 66352752, 73725280, 82940940, 99529128, 110587920, 124411410, 132705504, 165881880, 199058256, 221175840, 248822820, 331763760, 398116512, 497645640, 663527520, 995291280, 1990582560]

約数ペア:

[(1, 1990582560), (2, 995291280), (3, 663527520), (4, 497645640), (5, 398116512), (6, 331763760), (8, 248822820), (9, 221175840), (10, 199058256), (12, 165881880), (15, 132705504), (16, 124411410), (18, 110587920), (20, 99529128), (24, 82940940), (27, 73725280), (30, 66352752), (32, 62205705), (36, 55293960), (40, 49764564), (45, 44235168), (48, 41470470), (54, 36862640), (60, 33176376), (72, 27646980), (80, 24882282), (90, 22117584), (96, 20735235), (108, 18431320), (120, 16588188), (135, 14745056), (144, 13823490), (160, 12441141), (180, 11058792), (197, 10104480), (216, 9215660), (240, 8294094), (270, 7372528), (288, 6911745), (360, 5529396), (394, 5052240), (432, 4607830), (480, 4147047), (540, 3686264), (591, 3368160), (720, 2764698), (788, 2526120), (864, 2303915), (985, 2020896), (1080, 1843132), (1182, 1684080), (1440, 1382349), (1576, 1263060), (1773, 1122720), (1970, 1010448), (2160, 921566), (2339, 851040), (2364, 842040), (2955, 673632), (3152, 631530), (3546, 561360), (3940, 505224), (4320, 460783), (4678, 425520), (4728, 421020), (5319, 374240), (5910, 336816), (6304, 315765), (7017, 283680), (7092, 280680), (7880, 252612), (8865, 224544), (9356, 212760), (9456, 210510), (10638, 187120), (11695, 170208), (11820, 168408), (14034, 141840), (14184, 140340), (15760, 126306), (17730, 112272), (18712, 106380), (18912, 105255), (21051, 94560), (21276, 93560), (23390, 85104), (23640, 84204), (26595, 74848), (28068, 70920), (28368, 70170), (31520, 63153), (35085, 56736), (35460, 56136), (37424, 53190), (42102, 47280), (42552, 46780)]