123937500

素因数分解:

$2^2\times 3^1\times 5^6\times {\mathrm{661}}^1$

素因数の和:698

約数の個数: 84

約数和(自身を含む): 362026616

約数和(自身を除く): 238089116

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 25, 30, 50, 60, 75, 100, 125, 150, 250, 300, 375, 500, 625, 661, 750, 1250, 1322, 1500, 1875, 1983, 2500, 2644, 3125, 3305, 3750, 3966, 6250, 6610, 7500, 7932, 9375, 9915, 12500, 13220, 15625, 16525, 18750, 19830, 31250, 33050, 37500, 39660, 46875, 49575, 62500, 66100, 82625, 93750, 99150, 165250, 187500, 198300, 247875, 330500, 413125, 495750, 826250, 991500, 1239375, 1652500, 2065625, 2478750, 4131250, 4957500, 6196875, 8262500, 10328125, 12393750, 20656250, 24787500, 30984375, 41312500, 61968750, 123937500]

約数ペア:

[(1, 123937500), (2, 61968750), (3, 41312500), (4, 30984375), (5, 24787500), (6, 20656250), (10, 12393750), (12, 10328125), (15, 8262500), (20, 6196875), (25, 4957500), (30, 4131250), (50, 2478750), (60, 2065625), (75, 1652500), (100, 1239375), (125, 991500), (150, 826250), (250, 495750), (300, 413125), (375, 330500), (500, 247875), (625, 198300), (661, 187500), (750, 165250), (1250, 99150), (1322, 93750), (1500, 82625), (1875, 66100), (1983, 62500), (2500, 49575), (2644, 46875), (3125, 39660), (3305, 37500), (3750, 33050), (3966, 31250), (6250, 19830), (6610, 18750), (7500, 16525), (7932, 15625), (9375, 13220), (9915, 12500)]