256724820

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{29}}^1\times {\mathrm{263}}^1$

素因数の和:335

約数の個数: 288

約数和(自身を含む): 934053120

約数和(自身を除く): 677328300

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 11, 12, 15, 17, 18, 20, 22, 29, 30, 33, 34, 36, 44, 45, 51, 55, 58, 60, 66, 68, 85, 87, 90, 99, 102, 110, 116, 132, 145, 153, 165, 170, 174, 180, 187, 198, 204, 220, 255, 261, 263, 290, 306, 319, 330, 340, 348, 374, 396, 435, 493, 495, 510, 522, 526, 561, 580, 612, 638, 660, 748, 765, 789, 870, 935, 957, 986, 990, 1020, 1044, 1052, 1122, 1276, 1305, 1315, 1479, 1530, 1578, 1595, 1683, 1740, 1870, 1914, 1972, 1980, 2244, 2367, 2465, 2610, 2630, 2805, 2871, 2893, 2958, 3060, 3156, 3190, 3366, 3740, 3828, 3945, 4437, 4471, 4734, 4785, 4930, 5220, 5260, 5423, 5610, 5742, 5786, 5916, 6380, 6732, 7395, 7627, 7890, 8415, 8679, 8874, 8942, 9468, 9570, 9860, 10846, 11220, 11484, 11572, 11835, 13413, 14355, 14465, 14790, 15254, 15780, 16269, 16830, 17358, 17748, 17884, 19140, 21692, 22185, 22355, 22881, 23670, 26037, 26826, 27115, 28710, 28930, 29580, 30508, 32538, 33660, 34716, 38135, 40239, 43395, 44370, 44710, 45762, 47340, 48807, 49181, 52074, 53652, 54230, 57420, 57860, 65076, 67065, 68643, 76270, 80478, 81345, 83897, 86790, 88740, 89420, 91524, 97614, 98362, 104148, 108460, 114405, 129659, 130185, 134130, 137286, 147543, 152540, 160956, 162690, 167794, 173580, 195228, 196724, 201195, 228810, 244035, 245905, 251691, 259318, 260370, 268260, 274572, 295086, 325380, 335588, 343215, 388977, 402390, 419485, 442629, 457620, 488070, 491810, 503382, 518636, 520740, 590172, 648295, 686430, 737715, 755073, 777954, 804780, 838970, 885258, 976140, 983620, 1006764, 1166931, 1258455, 1296590, 1372860, 1426249, 1475430, 1510146, 1555908, 1677940, 1770516, 1944885, 2213145, 2333862, 2516910, 2593180, 2852498, 2950860, 3020292, 3775365, 3889770, 4278747, 4426290, 4667724, 5033820, 5704996, 5834655, 7131245, 7550730, 7779540, 8557494, 8852580, 11669310, 12836241, 14262490, 15101460, 17114988, 21393735, 23338620, 25672482, 28524980, 42787470, 51344964, 64181205, 85574940, 128362410, 256724820]

約数ペア:

[(1, 256724820), (2, 128362410), (3, 85574940), (4, 64181205), (5, 51344964), (6, 42787470), (9, 28524980), (10, 25672482), (11, 23338620), (12, 21393735), (15, 17114988), (17, 15101460), (18, 14262490), (20, 12836241), (22, 11669310), (29, 8852580), (30, 8557494), (33, 7779540), (34, 7550730), (36, 7131245), (44, 5834655), (45, 5704996), (51, 5033820), (55, 4667724), (58, 4426290), (60, 4278747), (66, 3889770), (68, 3775365), (85, 3020292), (87, 2950860), (90, 2852498), (99, 2593180), (102, 2516910), (110, 2333862), (116, 2213145), (132, 1944885), (145, 1770516), (153, 1677940), (165, 1555908), (170, 1510146), (174, 1475430), (180, 1426249), (187, 1372860), (198, 1296590), (204, 1258455), (220, 1166931), (255, 1006764), (261, 983620), (263, 976140), (290, 885258), (306, 838970), (319, 804780), (330, 777954), (340, 755073), (348, 737715), (374, 686430), (396, 648295), (435, 590172), (493, 520740), (495, 518636), (510, 503382), (522, 491810), (526, 488070), (561, 457620), (580, 442629), (612, 419485), (638, 402390), (660, 388977), (748, 343215), (765, 335588), (789, 325380), (870, 295086), (935, 274572), (957, 268260), (986, 260370), (990, 259318), (1020, 251691), (1044, 245905), (1052, 244035), (1122, 228810), (1276, 201195), (1305, 196724), (1315, 195228), (1479, 173580), (1530, 167794), (1578, 162690), (1595, 160956), (1683, 152540), (1740, 147543), (1870, 137286), (1914, 134130), (1972, 130185), (1980, 129659), (2244, 114405), (2367, 108460), (2465, 104148), (2610, 98362), (2630, 97614), (2805, 91524), (2871, 89420), (2893, 88740), (2958, 86790), (3060, 83897), (3156, 81345), (3190, 80478), (3366, 76270), (3740, 68643), (3828, 67065), (3945, 65076), (4437, 57860), (4471, 57420), (4734, 54230), (4785, 53652), (4930, 52074), (5220, 49181), (5260, 48807), (5423, 47340), (5610, 45762), (5742, 44710), (5786, 44370), (5916, 43395), (6380, 40239), (6732, 38135), (7395, 34716), (7627, 33660), (7890, 32538), (8415, 30508), (8679, 29580), (8874, 28930), (8942, 28710), (9468, 27115), (9570, 26826), (9860, 26037), (10846, 23670), (11220, 22881), (11484, 22355), (11572, 22185), (11835, 21692), (13413, 19140), (14355, 17884), (14465, 17748), (14790, 17358), (15254, 16830), (15780, 16269)]