19800750

素因数分解:

$2^1\times 3^1\times 5^3\times {\mathrm{17}}^1\times {\mathrm{1553}}^1$

素因数の和:1590

約数の個数: 64

約数和(自身を含む): 52363584

約数和(自身を除く): 32562834

約数列:

[1, 2, 3, 5, 6, 10, 15, 17, 25, 30, 34, 50, 51, 75, 85, 102, 125, 150, 170, 250, 255, 375, 425, 510, 750, 850, 1275, 1553, 2125, 2550, 3106, 4250, 4659, 6375, 7765, 9318, 12750, 15530, 23295, 26401, 38825, 46590, 52802, 77650, 79203, 116475, 132005, 158406, 194125, 232950, 264010, 388250, 396015, 582375, 660025, 792030, 1164750, 1320050, 1980075, 3300125, 3960150, 6600250, 9900375, 19800750]

約数ペア:

[(1, 19800750), (2, 9900375), (3, 6600250), (5, 3960150), (6, 3300125), (10, 1980075), (15, 1320050), (17, 1164750), (25, 792030), (30, 660025), (34, 582375), (50, 396015), (51, 388250), (75, 264010), (85, 232950), (102, 194125), (125, 158406), (150, 132005), (170, 116475), (250, 79203), (255, 77650), (375, 52802), (425, 46590), (510, 38825), (750, 26401), (850, 23295), (1275, 15530), (1553, 12750), (2125, 9318), (2550, 7765), (3106, 6375), (4250, 4659)]