15557200

素因数分解:

$2^4\times 5^2\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{89}}^1$

素因数の和:149

約数の個数: 120

約数和(自身を含む): 41515200

約数和(自身を除く): 25958000

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 23, 25, 38, 40, 46, 50, 76, 80, 89, 92, 95, 100, 115, 152, 178, 184, 190, 200, 230, 304, 356, 368, 380, 400, 437, 445, 460, 475, 575, 712, 760, 874, 890, 920, 950, 1150, 1424, 1520, 1691, 1748, 1780, 1840, 1900, 2047, 2185, 2225, 2300, 3382, 3496, 3560, 3800, 4094, 4370, 4450, 4600, 6764, 6992, 7120, 7600, 8188, 8455, 8740, 8900, 9200, 10235, 10925, 13528, 16376, 16910, 17480, 17800, 20470, 21850, 27056, 32752, 33820, 34960, 35600, 38893, 40940, 42275, 43700, 51175, 67640, 77786, 81880, 84550, 87400, 102350, 135280, 155572, 163760, 169100, 174800, 194465, 204700, 311144, 338200, 388930, 409400, 622288, 676400, 777860, 818800, 972325, 1555720, 1944650, 3111440, 3889300, 7778600, 15557200]

約数ペア:

[(1, 15557200), (2, 7778600), (4, 3889300), (5, 3111440), (8, 1944650), (10, 1555720), (16, 972325), (19, 818800), (20, 777860), (23, 676400), (25, 622288), (38, 409400), (40, 388930), (46, 338200), (50, 311144), (76, 204700), (80, 194465), (89, 174800), (92, 169100), (95, 163760), (100, 155572), (115, 135280), (152, 102350), (178, 87400), (184, 84550), (190, 81880), (200, 77786), (230, 67640), (304, 51175), (356, 43700), (368, 42275), (380, 40940), (400, 38893), (437, 35600), (445, 34960), (460, 33820), (475, 32752), (575, 27056), (712, 21850), (760, 20470), (874, 17800), (890, 17480), (920, 16910), (950, 16376), (1150, 13528), (1424, 10925), (1520, 10235), (1691, 9200), (1748, 8900), (1780, 8740), (1840, 8455), (1900, 8188), (2047, 7600), (2185, 7120), (2225, 6992), (2300, 6764), (3382, 4600), (3496, 4450), (3560, 4370), (3800, 4094)]