28291200780

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{647}}^1\times {\mathrm{23509}}^1$

素因数の和:24199

約数の個数: 96

約数和(自身を含む): 81900564480

約数和(自身を除く): 53609363700

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 31, 60, 62, 93, 124, 155, 186, 310, 372, 465, 620, 647, 930, 1294, 1860, 1941, 2588, 3235, 3882, 6470, 7764, 9705, 12940, 19410, 20057, 23509, 38820, 40114, 47018, 60171, 70527, 80228, 94036, 100285, 117545, 120342, 141054, 200570, 235090, 240684, 282108, 300855, 352635, 401140, 470180, 601710, 705270, 728779, 1203420, 1410540, 1457558, 2186337, 2915116, 3643895, 4372674, 7287790, 8745348, 10931685, 14575580, 15210323, 21863370, 30420646, 43726740, 45630969, 60841292, 76051615, 91261938, 152103230, 182523876, 228154845, 304206460, 456309690, 471520013, 912619380, 943040026, 1414560039, 1886080052, 2357600065, 2829120078, 4715200130, 5658240156, 7072800195, 9430400260, 14145600390, 28291200780]

約数ペア:

[(1, 28291200780), (2, 14145600390), (3, 9430400260), (4, 7072800195), (5, 5658240156), (6, 4715200130), (10, 2829120078), (12, 2357600065), (15, 1886080052), (20, 1414560039), (30, 943040026), (31, 912619380), (60, 471520013), (62, 456309690), (93, 304206460), (124, 228154845), (155, 182523876), (186, 152103230), (310, 91261938), (372, 76051615), (465, 60841292), (620, 45630969), (647, 43726740), (930, 30420646), (1294, 21863370), (1860, 15210323), (1941, 14575580), (2588, 10931685), (3235, 8745348), (3882, 7287790), (6470, 4372674), (7764, 3643895), (9705, 2915116), (12940, 2186337), (19410, 1457558), (20057, 1410540), (23509, 1203420), (38820, 728779), (40114, 705270), (47018, 601710), (60171, 470180), (70527, 401140), (80228, 352635), (94036, 300855), (100285, 282108), (117545, 240684), (120342, 235090), (141054, 200570)]