71323720

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{7219}}^1$

素因数の和:7262

約数の個数: 64

約数和(自身を含む): 181944000

約数和(自身を除く): 110620280

約数列:

[1, 2, 4, 5, 8, 10, 13, 19, 20, 26, 38, 40, 52, 65, 76, 95, 104, 130, 152, 190, 247, 260, 380, 494, 520, 760, 988, 1235, 1976, 2470, 4940, 7219, 9880, 14438, 28876, 36095, 57752, 72190, 93847, 137161, 144380, 187694, 274322, 288760, 375388, 469235, 548644, 685805, 750776, 938470, 1097288, 1371610, 1783093, 1876940, 2743220, 3566186, 3753880, 5486440, 7132372, 8915465, 14264744, 17830930, 35661860, 71323720]

約数ペア:

[(1, 71323720), (2, 35661860), (4, 17830930), (5, 14264744), (8, 8915465), (10, 7132372), (13, 5486440), (19, 3753880), (20, 3566186), (26, 2743220), (38, 1876940), (40, 1783093), (52, 1371610), (65, 1097288), (76, 938470), (95, 750776), (104, 685805), (130, 548644), (152, 469235), (190, 375388), (247, 288760), (260, 274322), (380, 187694), (494, 144380), (520, 137161), (760, 93847), (988, 72190), (1235, 57752), (1976, 36095), (2470, 28876), (4940, 14438), (7219, 9880)]