621613560

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{83}}^1\times {\mathrm{139}}^1\times {\mathrm{449}}^1$

素因数の和:685

約数の個数: 128

約数和(自身を含む): 1905120000

約数和(自身を除く): 1283506440

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 83, 120, 139, 166, 249, 278, 332, 415, 417, 449, 498, 556, 664, 695, 830, 834, 898, 996, 1112, 1245, 1347, 1390, 1660, 1668, 1796, 1992, 2085, 2245, 2490, 2694, 2780, 3320, 3336, 3592, 4170, 4490, 4980, 5388, 5560, 6735, 8340, 8980, 9960, 10776, 11537, 13470, 16680, 17960, 23074, 26940, 34611, 37267, 46148, 53880, 57685, 62411, 69222, 74534, 92296, 111801, 115370, 124822, 138444, 149068, 173055, 186335, 187233, 223602, 230740, 249644, 276888, 298136, 312055, 346110, 372670, 374466, 447204, 461480, 499288, 559005, 624110, 692220, 745340, 748932, 894408, 936165, 1118010, 1248220, 1384440, 1490680, 1497864, 1872330, 2236020, 2496440, 3744660, 4472040, 5180113, 7489320, 10360226, 15540339, 20720452, 25900565, 31080678, 41440904, 51801130, 62161356, 77701695, 103602260, 124322712, 155403390, 207204520, 310806780, 621613560]

約数ペア:

[(1, 621613560), (2, 310806780), (3, 207204520), (4, 155403390), (5, 124322712), (6, 103602260), (8, 77701695), (10, 62161356), (12, 51801130), (15, 41440904), (20, 31080678), (24, 25900565), (30, 20720452), (40, 15540339), (60, 10360226), (83, 7489320), (120, 5180113), (139, 4472040), (166, 3744660), (249, 2496440), (278, 2236020), (332, 1872330), (415, 1497864), (417, 1490680), (449, 1384440), (498, 1248220), (556, 1118010), (664, 936165), (695, 894408), (830, 748932), (834, 745340), (898, 692220), (996, 624110), (1112, 559005), (1245, 499288), (1347, 461480), (1390, 447204), (1660, 374466), (1668, 372670), (1796, 346110), (1992, 312055), (2085, 298136), (2245, 276888), (2490, 249644), (2694, 230740), (2780, 223602), (3320, 187233), (3336, 186335), (3592, 173055), (4170, 149068), (4490, 138444), (4980, 124822), (5388, 115370), (5560, 111801), (6735, 92296), (8340, 74534), (8980, 69222), (9960, 62411), (10776, 57685), (11537, 53880), (13470, 46148), (16680, 37267), (17960, 34611), (23074, 26940)]