197401680

素因数分解:

$2^4\times 3^2\times 5^1\times 7^1\times {\mathrm{53}}^1\times {\mathrm{739}}^1$

素因数の和:818

約数の個数: 240

約数和(自身を含む): 772986240

約数和(自身を除く): 575584560

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 16, 18, 20, 21, 24, 28, 30, 35, 36, 40, 42, 45, 48, 53, 56, 60, 63, 70, 72, 80, 84, 90, 105, 106, 112, 120, 126, 140, 144, 159, 168, 180, 210, 212, 240, 252, 265, 280, 315, 318, 336, 360, 371, 420, 424, 477, 504, 530, 560, 630, 636, 720, 739, 742, 795, 840, 848, 954, 1008, 1060, 1113, 1260, 1272, 1478, 1484, 1590, 1680, 1855, 1908, 2120, 2217, 2226, 2385, 2520, 2544, 2956, 2968, 3180, 3339, 3695, 3710, 3816, 4240, 4434, 4452, 4770, 5040, 5173, 5565, 5912, 5936, 6360, 6651, 6678, 7390, 7420, 7632, 8868, 8904, 9540, 10346, 11085, 11130, 11824, 12720, 13302, 13356, 14780, 14840, 15519, 16695, 17736, 17808, 19080, 20692, 22170, 22260, 25865, 26604, 26712, 29560, 29680, 31038, 33255, 33390, 35472, 38160, 39167, 41384, 44340, 44520, 46557, 51730, 53208, 53424, 59120, 62076, 66510, 66780, 77595, 78334, 82768, 88680, 89040, 93114, 103460, 106416, 117501, 124152, 133020, 133560, 155190, 156668, 177360, 186228, 195835, 206920, 232785, 235002, 248304, 266040, 267120, 274169, 310380, 313336, 352503, 372456, 391670, 413840, 465570, 470004, 532080, 548338, 587505, 620760, 626672, 705006, 744912, 783340, 822507, 931140, 940008, 1096676, 1175010, 1241520, 1370845, 1410012, 1566680, 1645014, 1762515, 1862280, 1880016, 2193352, 2350020, 2467521, 2741690, 2820024, 3133360, 3290028, 3525030, 3724560, 4112535, 4386704, 4700040, 4935042, 5483380, 5640048, 6580056, 7050060, 8225070, 9400080, 9870084, 10966760, 12337605, 13160112, 14100120, 16450140, 19740168, 21933520, 24675210, 28200240, 32900280, 39480336, 49350420, 65800560, 98700840, 197401680]

約数ペア:

[(1, 197401680), (2, 98700840), (3, 65800560), (4, 49350420), (5, 39480336), (6, 32900280), (7, 28200240), (8, 24675210), (9, 21933520), (10, 19740168), (12, 16450140), (14, 14100120), (15, 13160112), (16, 12337605), (18, 10966760), (20, 9870084), (21, 9400080), (24, 8225070), (28, 7050060), (30, 6580056), (35, 5640048), (36, 5483380), (40, 4935042), (42, 4700040), (45, 4386704), (48, 4112535), (53, 3724560), (56, 3525030), (60, 3290028), (63, 3133360), (70, 2820024), (72, 2741690), (80, 2467521), (84, 2350020), (90, 2193352), (105, 1880016), (106, 1862280), (112, 1762515), (120, 1645014), (126, 1566680), (140, 1410012), (144, 1370845), (159, 1241520), (168, 1175010), (180, 1096676), (210, 940008), (212, 931140), (240, 822507), (252, 783340), (265, 744912), (280, 705006), (315, 626672), (318, 620760), (336, 587505), (360, 548338), (371, 532080), (420, 470004), (424, 465570), (477, 413840), (504, 391670), (530, 372456), (560, 352503), (630, 313336), (636, 310380), (720, 274169), (739, 267120), (742, 266040), (795, 248304), (840, 235002), (848, 232785), (954, 206920), (1008, 195835), (1060, 186228), (1113, 177360), (1260, 156668), (1272, 155190), (1478, 133560), (1484, 133020), (1590, 124152), (1680, 117501), (1855, 106416), (1908, 103460), (2120, 93114), (2217, 89040), (2226, 88680), (2385, 82768), (2520, 78334), (2544, 77595), (2956, 66780), (2968, 66510), (3180, 62076), (3339, 59120), (3695, 53424), (3710, 53208), (3816, 51730), (4240, 46557), (4434, 44520), (4452, 44340), (4770, 41384), (5040, 39167), (5173, 38160), (5565, 35472), (5912, 33390), (5936, 33255), (6360, 31038), (6651, 29680), (6678, 29560), (7390, 26712), (7420, 26604), (7632, 25865), (8868, 22260), (8904, 22170), (9540, 20692), (10346, 19080), (11085, 17808), (11130, 17736), (11824, 16695), (12720, 15519), (13302, 14840), (13356, 14780)]