1239378840

素因数分解:

$2^3\times 3^3\times 5^1\times 7^1\times {\mathrm{71}}^1\times {\mathrm{2309}}^1$

素因数の和:2407

約数の個数: 256

約数和(自身を含む): 4790016000

約数和(自身を除く): 3550637160

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 18, 20, 21, 24, 27, 28, 30, 35, 36, 40, 42, 45, 54, 56, 60, 63, 70, 71, 72, 84, 90, 105, 108, 120, 126, 135, 140, 142, 168, 180, 189, 210, 213, 216, 252, 270, 280, 284, 315, 355, 360, 378, 420, 426, 497, 504, 540, 568, 630, 639, 710, 756, 840, 852, 945, 994, 1065, 1080, 1260, 1278, 1420, 1491, 1512, 1704, 1890, 1917, 1988, 2130, 2309, 2485, 2520, 2556, 2840, 2982, 3195, 3780, 3834, 3976, 4260, 4473, 4618, 4970, 5112, 5964, 6390, 6927, 7455, 7560, 7668, 8520, 8946, 9236, 9585, 9940, 11545, 11928, 12780, 13419, 13854, 14910, 15336, 16163, 17892, 18472, 19170, 19880, 20781, 22365, 23090, 25560, 26838, 27708, 29820, 32326, 34635, 35784, 38340, 41562, 44730, 46180, 48489, 53676, 55416, 59640, 62343, 64652, 67095, 69270, 76680, 80815, 83124, 89460, 92360, 96978, 103905, 107352, 124686, 129304, 134190, 138540, 145467, 161630, 163939, 166248, 178920, 193956, 207810, 242445, 249372, 268380, 277080, 290934, 311715, 323260, 327878, 387912, 415620, 436401, 484890, 491817, 498744, 536760, 581868, 623430, 646520, 655756, 727335, 819695, 831240, 872802, 969780, 983634, 1147573, 1163736, 1246860, 1311512, 1454670, 1475451, 1639390, 1745604, 1939560, 1967268, 2182005, 2295146, 2459085, 2493720, 2909340, 2950902, 3278780, 3442719, 3491208, 3934536, 4364010, 4426353, 4590292, 4918170, 5737865, 5818680, 5901804, 6557560, 6885438, 7377255, 8728020, 8852706, 9180584, 9836340, 10328157, 11475730, 11803608, 13770876, 14754510, 17213595, 17456040, 17705412, 19672680, 20656314, 22131765, 22951460, 27541752, 29509020, 30984471, 34427190, 35410824, 41312628, 44263530, 45902920, 51640785, 59018040, 61968942, 68854380, 82625256, 88527060, 103281570, 123937884, 137708760, 154922355, 177054120, 206563140, 247875768, 309844710, 413126280, 619689420, 1239378840]

約数ペア:

[(1, 1239378840), (2, 619689420), (3, 413126280), (4, 309844710), (5, 247875768), (6, 206563140), (7, 177054120), (8, 154922355), (9, 137708760), (10, 123937884), (12, 103281570), (14, 88527060), (15, 82625256), (18, 68854380), (20, 61968942), (21, 59018040), (24, 51640785), (27, 45902920), (28, 44263530), (30, 41312628), (35, 35410824), (36, 34427190), (40, 30984471), (42, 29509020), (45, 27541752), (54, 22951460), (56, 22131765), (60, 20656314), (63, 19672680), (70, 17705412), (71, 17456040), (72, 17213595), (84, 14754510), (90, 13770876), (105, 11803608), (108, 11475730), (120, 10328157), (126, 9836340), (135, 9180584), (140, 8852706), (142, 8728020), (168, 7377255), (180, 6885438), (189, 6557560), (210, 5901804), (213, 5818680), (216, 5737865), (252, 4918170), (270, 4590292), (280, 4426353), (284, 4364010), (315, 3934536), (355, 3491208), (360, 3442719), (378, 3278780), (420, 2950902), (426, 2909340), (497, 2493720), (504, 2459085), (540, 2295146), (568, 2182005), (630, 1967268), (639, 1939560), (710, 1745604), (756, 1639390), (840, 1475451), (852, 1454670), (945, 1311512), (994, 1246860), (1065, 1163736), (1080, 1147573), (1260, 983634), (1278, 969780), (1420, 872802), (1491, 831240), (1512, 819695), (1704, 727335), (1890, 655756), (1917, 646520), (1988, 623430), (2130, 581868), (2309, 536760), (2485, 498744), (2520, 491817), (2556, 484890), (2840, 436401), (2982, 415620), (3195, 387912), (3780, 327878), (3834, 323260), (3976, 311715), (4260, 290934), (4473, 277080), (4618, 268380), (4970, 249372), (5112, 242445), (5964, 207810), (6390, 193956), (6927, 178920), (7455, 166248), (7560, 163939), (7668, 161630), (8520, 145467), (8946, 138540), (9236, 134190), (9585, 129304), (9940, 124686), (11545, 107352), (11928, 103905), (12780, 96978), (13419, 92360), (13854, 89460), (14910, 83124), (15336, 80815), (16163, 76680), (17892, 69270), (18472, 67095), (19170, 64652), (19880, 62343), (20781, 59640), (22365, 55416), (23090, 53676), (25560, 48489), (26838, 46180), (27708, 44730), (29820, 41562), (32326, 38340), (34635, 35784)]