80902275

素因数分解:

$3^1\times 5^2\times {\mathrm{47}}^1\times {\mathrm{59}}^1\times {\mathrm{389}}^1$

素因数の和:508

約数の個数: 48

約数和(自身を含む): 139276800

約数和(自身を除く): 58374525

約数列:

[1, 3, 5, 15, 25, 47, 59, 75, 141, 177, 235, 295, 389, 705, 885, 1167, 1175, 1475, 1945, 2773, 3525, 4425, 5835, 8319, 9725, 13865, 18283, 22951, 29175, 41595, 54849, 68853, 69325, 91415, 114755, 207975, 274245, 344265, 457075, 573775, 1078697, 1371225, 1721325, 3236091, 5393485, 16180455, 26967425, 80902275]

約数ペア:

[(1, 80902275), (3, 26967425), (5, 16180455), (15, 5393485), (25, 3236091), (47, 1721325), (59, 1371225), (75, 1078697), (141, 573775), (177, 457075), (235, 344265), (295, 274245), (389, 207975), (705, 114755), (885, 91415), (1167, 69325), (1175, 68853), (1475, 54849), (1945, 41595), (2773, 29175), (3525, 22951), (4425, 18283), (5835, 13865), (8319, 9725)]