81128400

素因数分解:

$2^4\times 3^1\times 5^2\times {\mathrm{67607}}^1$

素因数の和:67628

約数の個数: 60

約数和(自身を含む): 259885152

約数和(自身を除く): 178756752

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 25, 30, 40, 48, 50, 60, 75, 80, 100, 120, 150, 200, 240, 300, 400, 600, 1200, 67607, 135214, 202821, 270428, 338035, 405642, 540856, 676070, 811284, 1014105, 1081712, 1352140, 1622568, 1690175, 2028210, 2704280, 3245136, 3380350, 4056420, 5070525, 5408560, 6760700, 8112840, 10141050, 13521400, 16225680, 20282100, 27042800, 40564200, 81128400]

約数ペア:

[(1, 81128400), (2, 40564200), (3, 27042800), (4, 20282100), (5, 16225680), (6, 13521400), (8, 10141050), (10, 8112840), (12, 6760700), (15, 5408560), (16, 5070525), (20, 4056420), (24, 3380350), (25, 3245136), (30, 2704280), (40, 2028210), (48, 1690175), (50, 1622568), (60, 1352140), (75, 1081712), (80, 1014105), (100, 811284), (120, 676070), (150, 540856), (200, 405642), (240, 338035), (300, 270428), (400, 202821), (600, 135214), (1200, 67607)]