21273120

素因数分解:

$2^5\times 3^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{79}}^1$

素因数の和:128

約数の個数: 288

約数和(自身を含む): 84913920

約数和(自身を除く): 63640800

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 11, 12, 15, 16, 17, 18, 20, 22, 24, 30, 32, 33, 34, 36, 40, 44, 45, 48, 51, 55, 60, 66, 68, 72, 79, 80, 85, 88, 90, 96, 99, 102, 110, 120, 132, 136, 144, 153, 158, 160, 165, 170, 176, 180, 187, 198, 204, 220, 237, 240, 255, 264, 272, 288, 306, 316, 330, 340, 352, 360, 374, 395, 396, 408, 440, 474, 480, 495, 510, 528, 544, 561, 612, 632, 660, 680, 711, 720, 748, 765, 790, 792, 816, 869, 880, 935, 948, 990, 1020, 1056, 1122, 1185, 1224, 1264, 1320, 1343, 1360, 1422, 1440, 1496, 1530, 1580, 1584, 1632, 1683, 1738, 1760, 1870, 1896, 1980, 2040, 2244, 2370, 2448, 2528, 2607, 2640, 2686, 2720, 2805, 2844, 2992, 3060, 3160, 3168, 3366, 3476, 3555, 3740, 3792, 3960, 4029, 4080, 4345, 4488, 4740, 4896, 5214, 5280, 5372, 5610, 5688, 5984, 6120, 6320, 6715, 6732, 6952, 7110, 7480, 7584, 7821, 7920, 8058, 8160, 8415, 8690, 8976, 9480, 10428, 10744, 11220, 11376, 12087, 12240, 12640, 13035, 13430, 13464, 13904, 14220, 14773, 14960, 15642, 15840, 16116, 16830, 17380, 17952, 18960, 20145, 20856, 21488, 22440, 22752, 24174, 24480, 26070, 26860, 26928, 27808, 28440, 29546, 29920, 31284, 32232, 33660, 34760, 37920, 39105, 40290, 41712, 42976, 44319, 44880, 48348, 52140, 53720, 53856, 56880, 59092, 60435, 62568, 64464, 67320, 69520, 73865, 78210, 80580, 83424, 88638, 89760, 96696, 104280, 107440, 113760, 118184, 120870, 125136, 128928, 132957, 134640, 139040, 147730, 156420, 161160, 177276, 193392, 208560, 214880, 221595, 236368, 241740, 250272, 265914, 269280, 295460, 312840, 322320, 354552, 386784, 417120, 443190, 472736, 483480, 531828, 590920, 625680, 644640, 664785, 709104, 886380, 966960, 1063656, 1181840, 1251360, 1329570, 1418208, 1772760, 1933920, 2127312, 2363680, 2659140, 3545520, 4254624, 5318280, 7091040, 10636560, 21273120]

約数ペア:

[(1, 21273120), (2, 10636560), (3, 7091040), (4, 5318280), (5, 4254624), (6, 3545520), (8, 2659140), (9, 2363680), (10, 2127312), (11, 1933920), (12, 1772760), (15, 1418208), (16, 1329570), (17, 1251360), (18, 1181840), (20, 1063656), (22, 966960), (24, 886380), (30, 709104), (32, 664785), (33, 644640), (34, 625680), (36, 590920), (40, 531828), (44, 483480), (45, 472736), (48, 443190), (51, 417120), (55, 386784), (60, 354552), (66, 322320), (68, 312840), (72, 295460), (79, 269280), (80, 265914), (85, 250272), (88, 241740), (90, 236368), (96, 221595), (99, 214880), (102, 208560), (110, 193392), (120, 177276), (132, 161160), (136, 156420), (144, 147730), (153, 139040), (158, 134640), (160, 132957), (165, 128928), (170, 125136), (176, 120870), (180, 118184), (187, 113760), (198, 107440), (204, 104280), (220, 96696), (237, 89760), (240, 88638), (255, 83424), (264, 80580), (272, 78210), (288, 73865), (306, 69520), (316, 67320), (330, 64464), (340, 62568), (352, 60435), (360, 59092), (374, 56880), (395, 53856), (396, 53720), (408, 52140), (440, 48348), (474, 44880), (480, 44319), (495, 42976), (510, 41712), (528, 40290), (544, 39105), (561, 37920), (612, 34760), (632, 33660), (660, 32232), (680, 31284), (711, 29920), (720, 29546), (748, 28440), (765, 27808), (790, 26928), (792, 26860), (816, 26070), (869, 24480), (880, 24174), (935, 22752), (948, 22440), (990, 21488), (1020, 20856), (1056, 20145), (1122, 18960), (1185, 17952), (1224, 17380), (1264, 16830), (1320, 16116), (1343, 15840), (1360, 15642), (1422, 14960), (1440, 14773), (1496, 14220), (1530, 13904), (1580, 13464), (1584, 13430), (1632, 13035), (1683, 12640), (1738, 12240), (1760, 12087), (1870, 11376), (1896, 11220), (1980, 10744), (2040, 10428), (2244, 9480), (2370, 8976), (2448, 8690), (2528, 8415), (2607, 8160), (2640, 8058), (2686, 7920), (2720, 7821), (2805, 7584), (2844, 7480), (2992, 7110), (3060, 6952), (3160, 6732), (3168, 6715), (3366, 6320), (3476, 6120), (3555, 5984), (3740, 5688), (3792, 5610), (3960, 5372), (4029, 5280), (4080, 5214), (4345, 4896), (4488, 4740)]