399468720

素因数分解:

$2^4\times 3^1\times 5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{71}}^1\times {\mathrm{197}}^1$

素因数の和:308

約数の個数: 320

約数和(自身を含む): 1527330816

約数和(自身を除く): 1127862096

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 17, 20, 21, 24, 28, 30, 34, 35, 40, 42, 48, 51, 56, 60, 68, 70, 71, 80, 84, 85, 102, 105, 112, 119, 120, 136, 140, 142, 168, 170, 197, 204, 210, 213, 238, 240, 255, 272, 280, 284, 336, 340, 355, 357, 394, 408, 420, 426, 476, 497, 510, 560, 568, 591, 595, 680, 710, 714, 788, 816, 840, 852, 952, 985, 994, 1020, 1065, 1136, 1182, 1190, 1207, 1360, 1379, 1420, 1428, 1491, 1576, 1680, 1704, 1785, 1904, 1970, 1988, 2040, 2130, 2364, 2380, 2414, 2485, 2758, 2840, 2856, 2955, 2982, 3152, 3349, 3408, 3570, 3621, 3940, 3976, 4080, 4137, 4260, 4728, 4760, 4828, 4970, 5516, 5680, 5712, 5910, 5964, 6035, 6698, 6895, 7140, 7242, 7455, 7880, 7952, 8274, 8449, 8520, 9456, 9520, 9656, 9940, 10047, 11032, 11820, 11928, 12070, 13396, 13790, 13987, 14280, 14484, 14910, 15760, 16548, 16745, 16898, 17040, 18105, 19312, 19880, 20094, 20685, 22064, 23443, 23640, 23856, 24140, 25347, 26792, 27580, 27974, 28560, 28968, 29820, 33096, 33490, 33796, 36210, 39760, 40188, 41370, 41961, 42245, 46886, 47280, 48280, 50235, 50694, 53584, 55160, 55948, 57936, 59640, 66192, 66980, 67592, 69935, 70329, 72420, 80376, 82740, 83922, 84490, 93772, 96560, 97909, 100470, 101388, 110320, 111896, 117215, 119280, 126735, 133960, 135184, 139870, 140658, 144840, 160752, 165480, 167844, 168980, 187544, 195818, 200940, 202776, 209805, 223792, 234430, 237779, 253470, 267920, 279740, 281316, 289680, 293727, 330960, 335688, 337960, 351645, 375088, 391636, 401880, 405552, 419610, 468860, 475558, 489545, 506940, 559480, 562632, 587454, 671376, 675920, 703290, 713337, 783272, 803760, 839220, 937720, 951116, 979090, 1013880, 1118960, 1125264, 1174908, 1188895, 1406580, 1426674, 1468635, 1566544, 1664453, 1678440, 1875440, 1902232, 1958180, 2027760, 2349816, 2377790, 2813160, 2853348, 2937270, 3328906, 3356880, 3566685, 3804464, 3916360, 4699632, 4755580, 4993359, 5626320, 5706696, 5874540, 6657812, 7133370, 7832720, 8322265, 9511160, 9986718, 11413392, 11749080, 13315624, 14266740, 16644530, 19022320, 19973436, 23498160, 24966795, 26631248, 28533480, 33289060, 39946872, 49933590, 57066960, 66578120, 79893744, 99867180, 133156240, 199734360, 399468720]

約数ペア:

[(1, 399468720), (2, 199734360), (3, 133156240), (4, 99867180), (5, 79893744), (6, 66578120), (7, 57066960), (8, 49933590), (10, 39946872), (12, 33289060), (14, 28533480), (15, 26631248), (16, 24966795), (17, 23498160), (20, 19973436), (21, 19022320), (24, 16644530), (28, 14266740), (30, 13315624), (34, 11749080), (35, 11413392), (40, 9986718), (42, 9511160), (48, 8322265), (51, 7832720), (56, 7133370), (60, 6657812), (68, 5874540), (70, 5706696), (71, 5626320), (80, 4993359), (84, 4755580), (85, 4699632), (102, 3916360), (105, 3804464), (112, 3566685), (119, 3356880), (120, 3328906), (136, 2937270), (140, 2853348), (142, 2813160), (168, 2377790), (170, 2349816), (197, 2027760), (204, 1958180), (210, 1902232), (213, 1875440), (238, 1678440), (240, 1664453), (255, 1566544), (272, 1468635), (280, 1426674), (284, 1406580), (336, 1188895), (340, 1174908), (355, 1125264), (357, 1118960), (394, 1013880), (408, 979090), (420, 951116), (426, 937720), (476, 839220), (497, 803760), (510, 783272), (560, 713337), (568, 703290), (591, 675920), (595, 671376), (680, 587454), (710, 562632), (714, 559480), (788, 506940), (816, 489545), (840, 475558), (852, 468860), (952, 419610), (985, 405552), (994, 401880), (1020, 391636), (1065, 375088), (1136, 351645), (1182, 337960), (1190, 335688), (1207, 330960), (1360, 293727), (1379, 289680), (1420, 281316), (1428, 279740), (1491, 267920), (1576, 253470), (1680, 237779), (1704, 234430), (1785, 223792), (1904, 209805), (1970, 202776), (1988, 200940), (2040, 195818), (2130, 187544), (2364, 168980), (2380, 167844), (2414, 165480), (2485, 160752), (2758, 144840), (2840, 140658), (2856, 139870), (2955, 135184), (2982, 133960), (3152, 126735), (3349, 119280), (3408, 117215), (3570, 111896), (3621, 110320), (3940, 101388), (3976, 100470), (4080, 97909), (4137, 96560), (4260, 93772), (4728, 84490), (4760, 83922), (4828, 82740), (4970, 80376), (5516, 72420), (5680, 70329), (5712, 69935), (5910, 67592), (5964, 66980), (6035, 66192), (6698, 59640), (6895, 57936), (7140, 55948), (7242, 55160), (7455, 53584), (7880, 50694), (7952, 50235), (8274, 48280), (8449, 47280), (8520, 46886), (9456, 42245), (9520, 41961), (9656, 41370), (9940, 40188), (10047, 39760), (11032, 36210), (11820, 33796), (11928, 33490), (12070, 33096), (13396, 29820), (13790, 28968), (13987, 28560), (14280, 27974), (14484, 27580), (14910, 26792), (15760, 25347), (16548, 24140), (16745, 23856), (16898, 23640), (17040, 23443), (18105, 22064), (19312, 20685), (19880, 20094)]