208004520

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{101963}}^1$

素因数の和:101994

約数の個数: 64

約数和(自身を含む): 660726720

約数和(自身を除く): 452722200

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 17, 20, 24, 30, 34, 40, 51, 60, 68, 85, 102, 120, 136, 170, 204, 255, 340, 408, 510, 680, 1020, 2040, 101963, 203926, 305889, 407852, 509815, 611778, 815704, 1019630, 1223556, 1529445, 1733371, 2039260, 2447112, 3058890, 3466742, 4078520, 5200113, 6117780, 6933484, 8666855, 10400226, 12235560, 13866968, 17333710, 20800452, 26000565, 34667420, 41600904, 52001130, 69334840, 104002260, 208004520]

約数ペア:

[(1, 208004520), (2, 104002260), (3, 69334840), (4, 52001130), (5, 41600904), (6, 34667420), (8, 26000565), (10, 20800452), (12, 17333710), (15, 13866968), (17, 12235560), (20, 10400226), (24, 8666855), (30, 6933484), (34, 6117780), (40, 5200113), (51, 4078520), (60, 3466742), (68, 3058890), (85, 2447112), (102, 2039260), (120, 1733371), (136, 1529445), (170, 1223556), (204, 1019630), (255, 815704), (340, 611778), (408, 509815), (510, 407852), (680, 305889), (1020, 203926), (2040, 101963)]