685961640

素因数分解:

$2^3\times 3^2\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{20939}}^1$

素因数の和:20976

約数の個数: 192

約数和(自身を含む): 2743977600

約数和(自身を除く): 2058015960

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 13, 14, 15, 18, 20, 21, 24, 26, 28, 30, 35, 36, 39, 40, 42, 45, 52, 56, 60, 63, 65, 70, 72, 78, 84, 90, 91, 104, 105, 117, 120, 126, 130, 140, 156, 168, 180, 182, 195, 210, 234, 252, 260, 273, 280, 312, 315, 360, 364, 390, 420, 455, 468, 504, 520, 546, 585, 630, 728, 780, 819, 840, 910, 936, 1092, 1170, 1260, 1365, 1560, 1638, 1820, 2184, 2340, 2520, 2730, 3276, 3640, 4095, 4680, 5460, 6552, 8190, 10920, 16380, 20939, 32760, 41878, 62817, 83756, 104695, 125634, 146573, 167512, 188451, 209390, 251268, 272207, 293146, 314085, 376902, 418780, 439719, 502536, 544414, 586292, 628170, 732865, 753804, 816621, 837560, 879438, 942255, 1088828, 1172584, 1256340, 1319157, 1361035, 1465730, 1507608, 1633242, 1758876, 1884510, 1905449, 2177656, 2198595, 2449863, 2512680, 2638314, 2722070, 2931460, 3266484, 3517752, 3769020, 3810898, 4083105, 4397190, 4899726, 5276628, 5444140, 5716347, 5862920, 6532968, 6595785, 7538040, 7621796, 8166210, 8794380, 9527245, 9799452, 10553256, 10888280, 11432694, 12249315, 13191570, 15243592, 16332420, 17149041, 17588760, 19054490, 19598904, 22865388, 24498630, 26383140, 28581735, 32664840, 34298082, 38108980, 45730776, 48997260, 52766280, 57163470, 68596164, 76217960, 85745205, 97994520, 114326940, 137192328, 171490410, 228653880, 342980820, 685961640]

約数ペア:

[(1, 685961640), (2, 342980820), (3, 228653880), (4, 171490410), (5, 137192328), (6, 114326940), (7, 97994520), (8, 85745205), (9, 76217960), (10, 68596164), (12, 57163470), (13, 52766280), (14, 48997260), (15, 45730776), (18, 38108980), (20, 34298082), (21, 32664840), (24, 28581735), (26, 26383140), (28, 24498630), (30, 22865388), (35, 19598904), (36, 19054490), (39, 17588760), (40, 17149041), (42, 16332420), (45, 15243592), (52, 13191570), (56, 12249315), (60, 11432694), (63, 10888280), (65, 10553256), (70, 9799452), (72, 9527245), (78, 8794380), (84, 8166210), (90, 7621796), (91, 7538040), (104, 6595785), (105, 6532968), (117, 5862920), (120, 5716347), (126, 5444140), (130, 5276628), (140, 4899726), (156, 4397190), (168, 4083105), (180, 3810898), (182, 3769020), (195, 3517752), (210, 3266484), (234, 2931460), (252, 2722070), (260, 2638314), (273, 2512680), (280, 2449863), (312, 2198595), (315, 2177656), (360, 1905449), (364, 1884510), (390, 1758876), (420, 1633242), (455, 1507608), (468, 1465730), (504, 1361035), (520, 1319157), (546, 1256340), (585, 1172584), (630, 1088828), (728, 942255), (780, 879438), (819, 837560), (840, 816621), (910, 753804), (936, 732865), (1092, 628170), (1170, 586292), (1260, 544414), (1365, 502536), (1560, 439719), (1638, 418780), (1820, 376902), (2184, 314085), (2340, 293146), (2520, 272207), (2730, 251268), (3276, 209390), (3640, 188451), (4095, 167512), (4680, 146573), (5460, 125634), (6552, 104695), (8190, 83756), (10920, 62817), (16380, 41878), (20939, 32760)]